Home / 3,838.39-5,757.27-1,372.95

Finding the Fourth Proportional to 3,838.39, 5,757.27 and 1,372.95

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Solution

The fourth proportional to 3,838.39, 5,757.27 and 1,372.95 is: 2,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.39 : 5,757.27 = 1,372.95 : x
  2. Step 2: Convert to fraction form
    3,838.39/5,757.27 = 1,372.95/x
  3. Step 3: Cross multiply
    3,838.39x = 5,757.27 × 1,372.95
  4. Step 4: Simplify right side
    3,838.39x = 7,904,432.89
  5. Step 5: Solve for x
    x = 7,904,432.89/3,838.39
  6. Step 6: Final answer
    x = 2,059.31

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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.