Finding the Fourth Proportional to 1,513.46, 2,088.68 and 924.09
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Solution
The fourth proportional to 1,513.46, 2,088.68 and 924.09 is: 1,275.31
Step by Step Solution
- Step 1: Write the proportion equation
1,513.46 : 2,088.68 = 924.09 : x - Step 2: Convert to fraction form
1,513.46/2,088.68 = 924.09/x - Step 3: Cross multiply
1,513.46x = 2,088.68 × 924.09 - Step 4: Simplify right side
1,513.46x = 1,930,128.30 - Step 5: Solve for x
x = 1,930,128.30/1,513.46 - Step 6: Final answer
x = 1,275.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.