Home / 2,247.65-3,371.48-787.22

Finding the Fourth Proportional to 2,247.65, 3,371.48 and 787.22

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Solution

The fourth proportional to 2,247.65, 3,371.48 and 787.22 is: 1,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.65 : 3,371.48 = 787.22 : x
  2. Step 2: Convert to fraction form
    2,247.65/3,371.48 = 787.22/x
  3. Step 3: Cross multiply
    2,247.65x = 3,371.48 × 787.22
  4. Step 4: Simplify right side
    2,247.65x = 2,654,103.93
  5. Step 5: Solve for x
    x = 2,654,103.93/2,247.65
  6. Step 6: Final answer
    x = 1,180.83

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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.