Home / 3,617.15-5,426.12-1,151.10

Finding the Fourth Proportional to 3,617.15, 5,426.12 and 1,151.10

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Solution

The fourth proportional to 3,617.15, 5,426.12 and 1,151.10 is: 1,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.15 : 5,426.12 = 1,151.10 : x
  2. Step 2: Convert to fraction form
    3,617.15/5,426.12 = 1,151.10/x
  3. Step 3: Cross multiply
    3,617.15x = 5,426.12 × 1,151.10
  4. Step 4: Simplify right side
    3,617.15x = 6,246,000.98
  5. Step 5: Solve for x
    x = 6,246,000.98/3,617.15
  6. Step 6: Final answer
    x = 1,726.78

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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.