Home / 3,838.24-5,761.72-1,531.36

Finding the Fourth Proportional to 3,838.24, 5,761.72 and 1,531.36

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Solution

The fourth proportional to 3,838.24, 5,761.72 and 1,531.36 is: 2,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.24 : 5,761.72 = 1,531.36 : x
  2. Step 2: Convert to fraction form
    3,838.24/5,761.72 = 1,531.36/x
  3. Step 3: Cross multiply
    3,838.24x = 5,761.72 × 1,531.36
  4. Step 4: Simplify right side
    3,838.24x = 8,823,267.54
  5. Step 5: Solve for x
    x = 8,823,267.54/3,838.24
  6. Step 6: Final answer
    x = 2,298.78

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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.