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Finding the Fourth Proportional to 3,472.44, 5,207 and 1,006.60

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Solution

The fourth proportional to 3,472.44, 5,207 and 1,006.60 is: 1,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.44 : 5,207 = 1,006.60 : x
  2. Step 2: Convert to fraction form
    3,472.44/5,207 = 1,006.60/x
  3. Step 3: Cross multiply
    3,472.44x = 5,207 × 1,006.60
  4. Step 4: Simplify right side
    3,472.44x = 5,241,366.20
  5. Step 5: Solve for x
    x = 5,241,366.20/3,472.44
  6. Step 6: Final answer
    x = 1,509.42

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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.