Home / 1,581.66-2,372.49-1,008.18

Finding the Fourth Proportional to 1,581.66, 2,372.49 and 1,008.18

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Solution

The fourth proportional to 1,581.66, 2,372.49 and 1,008.18 is: 1,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.66 : 2,372.49 = 1,008.18 : x
  2. Step 2: Convert to fraction form
    1,581.66/2,372.49 = 1,008.18/x
  3. Step 3: Cross multiply
    1,581.66x = 2,372.49 × 1,008.18
  4. Step 4: Simplify right side
    1,581.66x = 2,391,896.97
  5. Step 5: Solve for x
    x = 2,391,896.97/1,581.66
  6. Step 6: Final answer
    x = 1,512.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.