Home / 1,252.10-1,727.21-1,016.31

Finding the Fourth Proportional to 1,252.10, 1,727.21 and 1,016.31

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Solution

The fourth proportional to 1,252.10, 1,727.21 and 1,016.31 is: 1,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.10 : 1,727.21 = 1,016.31 : x
  2. Step 2: Convert to fraction form
    1,252.10/1,727.21 = 1,016.31/x
  3. Step 3: Cross multiply
    1,252.10x = 1,727.21 × 1,016.31
  4. Step 4: Simplify right side
    1,252.10x = 1,755,375.71
  5. Step 5: Solve for x
    x = 1,755,375.71/1,252.10
  6. Step 6: Final answer
    x = 1,401.95

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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.