Home / 3,717.47-5,577.17-1,120.41

Finding the Fourth Proportional to 3,717.47, 5,577.17 and 1,120.41

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Solution

The fourth proportional to 3,717.47, 5,577.17 and 1,120.41 is: 1,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.47 : 5,577.17 = 1,120.41 : x
  2. Step 2: Convert to fraction form
    3,717.47/5,577.17 = 1,120.41/x
  3. Step 3: Cross multiply
    3,717.47x = 5,577.17 × 1,120.41
  4. Step 4: Simplify right side
    3,717.47x = 6,248,711.44
  5. Step 5: Solve for x
    x = 6,248,711.44/3,717.47
  6. Step 6: Final answer
    x = 1,680.90

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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.