Home / 2,248.23-3,373.86-787.39

Finding the Fourth Proportional to 2,248.23, 3,373.86 and 787.39

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Solution

The fourth proportional to 2,248.23, 3,373.86 and 787.39 is: 1,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.23 : 3,373.86 = 787.39 : x
  2. Step 2: Convert to fraction form
    2,248.23/3,373.86 = 787.39/x
  3. Step 3: Cross multiply
    2,248.23x = 3,373.86 × 787.39
  4. Step 4: Simplify right side
    2,248.23x = 2,656,543.63
  5. Step 5: Solve for x
    x = 2,656,543.63/2,248.23
  6. Step 6: Final answer
    x = 1,181.62

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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.