Hi

Assuming your data are in A1, B1 etc put this in A2 and drag right

=A1*(COLUMN(G1)%/2)+A1

Mike

"Trying Hard" wrote:

I have a row of #'s, in the row below I want to increase each cell's numer by
3.5%, the next row by 4%, the next row by 4.5%, etc. - what is the formula?