Home / 3,896.40-5,844.56-2,251.90

Finding the Fourth Proportional to 3,896.40, 5,844.56 and 2,251.90

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Solution

The fourth proportional to 3,896.40, 5,844.56 and 2,251.90 is: 3,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.40 : 5,844.56 = 2,251.90 : x
  2. Step 2: Convert to fraction form
    3,896.40/5,844.56 = 2,251.90/x
  3. Step 3: Cross multiply
    3,896.40x = 5,844.56 × 2,251.90
  4. Step 4: Simplify right side
    3,896.40x = 13,161,364.66
  5. Step 5: Solve for x
    x = 13,161,364.66/3,896.40
  6. Step 6: Final answer
    x = 3,377.83

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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.