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Finding the Fourth Proportional to 3,506.31, 5,255.71 and 1,747.85

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Solution

The fourth proportional to 3,506.31, 5,255.71 and 1,747.85 is: 2,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.31 : 5,255.71 = 1,747.85 : x
  2. Step 2: Convert to fraction form
    3,506.31/5,255.71 = 1,747.85/x
  3. Step 3: Cross multiply
    3,506.31x = 5,255.71 × 1,747.85
  4. Step 4: Simplify right side
    3,506.31x = 9,186,192.72
  5. Step 5: Solve for x
    x = 9,186,192.72/3,506.31
  6. Step 6: Final answer
    x = 2,619.90

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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.