Home / 1,037.10-1,554.92-387.66

Finding the Fourth Proportional to 1,037.10, 1,554.92 and 387.66

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Solution

The fourth proportional to 1,037.10, 1,554.92 and 387.66 is: 581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.10 : 1,554.92 = 387.66 : x
  2. Step 2: Convert to fraction form
    1,037.10/1,554.92 = 387.66/x
  3. Step 3: Cross multiply
    1,037.10x = 1,554.92 × 387.66
  4. Step 4: Simplify right side
    1,037.10x = 602,780.29
  5. Step 5: Solve for x
    x = 602,780.29/1,037.10
  6. Step 6: Final answer
    x = 581.22

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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.