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Finding the Fourth Proportional to 3,694.70, 5,529.03 and 2,308.69

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Solution

The fourth proportional to 3,694.70, 5,529.03 and 2,308.69 is: 3,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.70 : 5,529.03 = 2,308.69 : x
  2. Step 2: Convert to fraction form
    3,694.70/5,529.03 = 2,308.69/x
  3. Step 3: Cross multiply
    3,694.70x = 5,529.03 × 2,308.69
  4. Step 4: Simplify right side
    3,694.70x = 12,764,816.27
  5. Step 5: Solve for x
    x = 12,764,816.27/3,694.70
  6. Step 6: Final answer
    x = 3,454.90

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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.