Home / 3,787.45-5,679.24-2,227.75

Finding the Fourth Proportional to 3,787.45, 5,679.24 and 2,227.75

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Solution

The fourth proportional to 3,787.45, 5,679.24 and 2,227.75 is: 3,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.45 : 5,679.24 = 2,227.75 : x
  2. Step 2: Convert to fraction form
    3,787.45/5,679.24 = 2,227.75/x
  3. Step 3: Cross multiply
    3,787.45x = 5,679.24 × 2,227.75
  4. Step 4: Simplify right side
    3,787.45x = 12,651,926.91
  5. Step 5: Solve for x
    x = 12,651,926.91/3,787.45
  6. Step 6: Final answer
    x = 3,340.49

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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.