WHAT is the ratio of 3 to 4?

The ratio of 3 to 4 can be expressed as 3:4 or 3/4. This means that for every 3 units of the first quantity, there are 4 units of the second quantity. RatiOS are used to compare quantities and show the relationship between them. In this case, the ratio of 3 to 4 indicates that the first quantity is three-quarters of the second quantity.