Home / 3,617.90-5,427.24-1,151.85

Finding the Fourth Proportional to 3,617.90, 5,427.24 and 1,151.85

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Solution

The fourth proportional to 3,617.90, 5,427.24 and 1,151.85 is: 1,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.90 : 5,427.24 = 1,151.85 : x
  2. Step 2: Convert to fraction form
    3,617.90/5,427.24 = 1,151.85/x
  3. Step 3: Cross multiply
    3,617.90x = 5,427.24 × 1,151.85
  4. Step 4: Simplify right side
    3,617.90x = 6,251,366.39
  5. Step 5: Solve for x
    x = 6,251,366.39/3,617.90
  6. Step 6: Final answer
    x = 1,727.90

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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.