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Finding the Fourth Proportional to 3,329.92, 4,991.37 and 1,251.46

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Solution

The fourth proportional to 3,329.92, 4,991.37 and 1,251.46 is: 1,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.92 : 4,991.37 = 1,251.46 : x
  2. Step 2: Convert to fraction form
    3,329.92/4,991.37 = 1,251.46/x
  3. Step 3: Cross multiply
    3,329.92x = 4,991.37 × 1,251.46
  4. Step 4: Simplify right side
    3,329.92x = 6,246,499.90
  5. Step 5: Solve for x
    x = 6,246,499.90/3,329.92
  6. Step 6: Final answer
    x = 1,875.87

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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.