Home / 2,247.91-3,372.41-787.03

Finding the Fourth Proportional to 2,247.91, 3,372.41 and 787.03

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Solution

The fourth proportional to 2,247.91, 3,372.41 and 787.03 is: 1,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.91 : 3,372.41 = 787.03 : x
  2. Step 2: Convert to fraction form
    2,247.91/3,372.41 = 787.03/x
  3. Step 3: Cross multiply
    2,247.91x = 3,372.41 × 787.03
  4. Step 4: Simplify right side
    2,247.91x = 2,654,187.84
  5. Step 5: Solve for x
    x = 2,654,187.84/2,247.91
  6. Step 6: Final answer
    x = 1,180.74

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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.