Home / 2,248.07-3,372.71-787.34

Finding the Fourth Proportional to 2,248.07, 3,372.71 and 787.34

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Solution

The fourth proportional to 2,248.07, 3,372.71 and 787.34 is: 1,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.07 : 3,372.71 = 787.34 : x
  2. Step 2: Convert to fraction form
    2,248.07/3,372.71 = 787.34/x
  3. Step 3: Cross multiply
    2,248.07x = 3,372.71 × 787.34
  4. Step 4: Simplify right side
    2,248.07x = 2,655,448.69
  5. Step 5: Solve for x
    x = 2,655,448.69/2,248.07
  6. Step 6: Final answer
    x = 1,181.22

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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.