Home / 3,814.18-5,722.19-1,591.78

Finding the Fourth Proportional to 3,814.18, 5,722.19 and 1,591.78

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Solution

The fourth proportional to 3,814.18, 5,722.19 and 1,591.78 is: 2,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.18 : 5,722.19 = 1,591.78 : x
  2. Step 2: Convert to fraction form
    3,814.18/5,722.19 = 1,591.78/x
  3. Step 3: Cross multiply
    3,814.18x = 5,722.19 × 1,591.78
  4. Step 4: Simplify right side
    3,814.18x = 9,108,463.62
  5. Step 5: Solve for x
    x = 9,108,463.62/3,814.18
  6. Step 6: Final answer
    x = 2,388.05

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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.