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Finding the Fourth Proportional to 3,710.72, 5,566.07 and 1,490.57

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Solution

The fourth proportional to 3,710.72, 5,566.07 and 1,490.57 is: 2,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.72 : 5,566.07 = 1,490.57 : x
  2. Step 2: Convert to fraction form
    3,710.72/5,566.07 = 1,490.57/x
  3. Step 3: Cross multiply
    3,710.72x = 5,566.07 × 1,490.57
  4. Step 4: Simplify right side
    3,710.72x = 8,296,592.86
  5. Step 5: Solve for x
    x = 8,296,592.86/3,710.72
  6. Step 6: Final answer
    x = 2,235.85

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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.