2,3:1=

The ratio 2,3:1 can be interpreted as 2.3 to 1. To express it as a decimal, you divide 2.3 by 1, which equals 2.3.

If you are looking for it in a fraction form, it represents the fraction \( \frac{2.3}{1} \), which is simply 2.3.

If you meant something slightly different, please clarify!