Home / 2,248.03-3,372.55-688.25

Finding the Fourth Proportional to 2,248.03, 3,372.55 and 688.25

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Solution

The fourth proportional to 2,248.03, 3,372.55 and 688.25 is: 1,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.03 : 3,372.55 = 688.25 : x
  2. Step 2: Convert to fraction form
    2,248.03/3,372.55 = 688.25/x
  3. Step 3: Cross multiply
    2,248.03x = 3,372.55 × 688.25
  4. Step 4: Simplify right side
    2,248.03x = 2,321,164.25
  5. Step 5: Solve for x
    x = 2,321,164.25/2,248.03
  6. Step 6: Final answer
    x = 1,032.53

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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.