at a ratio of

USAGE SUMMARY

The phrase "at a ratio of" is correct and usable in written English.
It is typically used to describe a proportional relationship between two quantities. Example: "The ingredients should be mixed at a ratio of 2:1 for optimal flavor."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Oakwood operates at a ratio of one prison officer to 30 inmates.

The Guardian

The Israelis are killing Palestinians at a ratio of three to one.

The Guardian

This still remains more of a male than female problem, at a ratio of 3 2.

The Guardian

Flexural rigidity can be increased at a ratio of 32.8%.

Composite Structures

The UK is currently at a ratio of around 60% but most forecasters see that rising.

The Guardian - Business

PyOM pH was measured in DIH2O at a ratio of 1 20 g mL−1.

Nature

Then continue with chest compressions and ventilations at a ratio of 30:2.

Nature

PHH/KC co-cultures were seeded simultaneously, at a ratio of 10 1.

Nature

23 "Research shows that investing in the fashion business pays dividends for London at a ratio of 30:1".

The Guardian - Lifestyle

The composite is created by mixing the two materials at a ratio of 80% paper and 20% sodium silicate.

The Guardian

The pair agreed to roll over at a ratio of 2.8 Glencore shares for every Xstrata share.

The Guardian - Business

Expert writing Tips

Best practice

When using "at a ratio of", ensure the units being compared are clearly defined to avoid ambiguity. For instance, specify whether you're comparing mass, volume, or some other quantifiable measure.

Common error

Avoid confusing ratios with percentages. While both express proportions, ratios represent the relative sizes of two or more quantities, whereas percentages represent a part of a whole expressed as a fraction of 100.

Linguistic Context

The phrase "at a ratio of" functions as a prepositional phrase that modifies a noun or verb, specifying a proportional relationship between two or more quantities. Ludwig examples illustrate this function across varied contexts.

Expression frequency: Very common

Frequent in

Science

53%

News & Media

32%

Formal & Business

4%

Less common in

Wiki

2%

Academia

1%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "at a ratio of" is a versatile prepositional phrase used to denote proportional relationships across diverse fields, particularly in science, news, and business. Ludwig AI confirms that it's grammatically correct and widely accepted. While alternatives like "in proportion to" or "relative to" exist, "at a ratio of" provides a clear and concise means of expressing quantitative comparisons. Ensure units are well-defined, and differentiate ratios from percentages for precision in writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

in proportion to

This alternative specifies a direct relationship between quantities maintaining relative size and position.

in terms of

This alternative focuses more on the comparative aspect than the proportional relation.

with respect to

This indicates a comparison considering one quantity in relation to another.

compared to

This alternative offers a direct comparison between two quantities.

relative to

This phrase emphasizes the comparison with a reference point.

in comparison with

This explicitly highlights the act of comparing two or more things.

in correlation with

This alternative emphasizes the statistical connection between two values.

as a function of

This phrase highlights the dependency of one quantity on another.

on a scale of

This alternative puts the relationship between numbers onto a scale to evaluate it better.

as opposed to

This highlights the contrast between the proportions of two different things.

FAQs

How do I correctly use "at a ratio of" in a sentence?

Use "at a ratio of" to show the proportional relationship between two or more quantities. For example, "The mixture should contain sand and cement "at a ratio of" 3:1."

What are some alternatives to the phrase "at a ratio of"?

Alternatives include "in proportion to", "relative to", or "compared to". For example, instead of saying "mixed "at a ratio of" 2:1", you could say "mixed in proportion to 2:1".

Is it better to express proportions as ratios or percentages?

It depends on the context. Ratios are useful when comparing two distinct quantities, while percentages are useful for showing a part in relation to the whole. Choose the representation that best clarifies your meaning. Consider the goal of writing.

What's the difference between ""at a ratio of"" and "at a rate of"?

"At a ratio of" describes a proportional relationship between two quantities, while "at a rate of" describes how one quantity changes with respect to another over time or some other variable.