Home / 3,726.62-5,591.07-1,129.82

Finding the Fourth Proportional to 3,726.62, 5,591.07 and 1,129.82

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Solution

The fourth proportional to 3,726.62, 5,591.07 and 1,129.82 is: 1,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.62 : 5,591.07 = 1,129.82 : x
  2. Step 2: Convert to fraction form
    3,726.62/5,591.07 = 1,129.82/x
  3. Step 3: Cross multiply
    3,726.62x = 5,591.07 × 1,129.82
  4. Step 4: Simplify right side
    3,726.62x = 6,316,902.71
  5. Step 5: Solve for x
    x = 6,316,902.71/3,726.62
  6. Step 6: Final answer
    x = 1,695.08

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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.