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Finding the Fourth Proportional to 3,793.34, 5,688.79 and 1,327.70

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Solution

The fourth proportional to 3,793.34, 5,688.79 and 1,327.70 is: 1,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.34 : 5,688.79 = 1,327.70 : x
  2. Step 2: Convert to fraction form
    3,793.34/5,688.79 = 1,327.70/x
  3. Step 3: Cross multiply
    3,793.34x = 5,688.79 × 1,327.70
  4. Step 4: Simplify right side
    3,793.34x = 7,553,006.48
  5. Step 5: Solve for x
    x = 7,553,006.48/3,793.34
  6. Step 6: Final answer
    x = 1,991.12

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1.5x scale

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.