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Finding the Fourth Proportional to 2,253.73, 3,381.25 and 693.96

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Solution

The fourth proportional to 2,253.73, 3,381.25 and 693.96 is: 1,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.73 : 3,381.25 = 693.96 : x
  2. Step 2: Convert to fraction form
    2,253.73/3,381.25 = 693.96/x
  3. Step 3: Cross multiply
    2,253.73x = 3,381.25 × 693.96
  4. Step 4: Simplify right side
    2,253.73x = 2,346,452.25
  5. Step 5: Solve for x
    x = 2,346,452.25/2,253.73
  6. Step 6: Final answer
    x = 1,041.14

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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.