Home / 3,964.62-5,945.85-1,500.78

Finding the Fourth Proportional to 3,964.62, 5,945.85 and 1,500.78

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Solution

The fourth proportional to 3,964.62, 5,945.85 and 1,500.78 is: 2,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.62 : 5,945.85 = 1,500.78 : x
  2. Step 2: Convert to fraction form
    3,964.62/5,945.85 = 1,500.78/x
  3. Step 3: Cross multiply
    3,964.62x = 5,945.85 × 1,500.78
  4. Step 4: Simplify right side
    3,964.62x = 8,923,412.76
  5. Step 5: Solve for x
    x = 8,923,412.76/3,964.62
  6. Step 6: Final answer
    x = 2,250.76

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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.