Home / 3,757.32-5,635.91-1,292.15

Finding the Fourth Proportional to 3,757.32, 5,635.91 and 1,292.15

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Solution

The fourth proportional to 3,757.32, 5,635.91 and 1,292.15 is: 1,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.32 : 5,635.91 = 1,292.15 : x
  2. Step 2: Convert to fraction form
    3,757.32/5,635.91 = 1,292.15/x
  3. Step 3: Cross multiply
    3,757.32x = 5,635.91 × 1,292.15
  4. Step 4: Simplify right side
    3,757.32x = 7,282,458.43
  5. Step 5: Solve for x
    x = 7,282,458.43/3,757.32
  6. Step 6: Final answer
    x = 1,938.21

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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.