Home / 3,927.28-5,892.92-2,611.92

Finding the Fourth Proportional to 3,927.28, 5,892.92 and 2,611.92

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Solution

The fourth proportional to 3,927.28, 5,892.92 and 2,611.92 is: 3,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.28 : 5,892.92 = 2,611.92 : x
  2. Step 2: Convert to fraction form
    3,927.28/5,892.92 = 2,611.92/x
  3. Step 3: Cross multiply
    3,927.28x = 5,892.92 × 2,611.92
  4. Step 4: Simplify right side
    3,927.28x = 15,391,835.61
  5. Step 5: Solve for x
    x = 15,391,835.61/3,927.28
  6. Step 6: Final answer
    x = 3,919.21

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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.