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Finding the Fourth Proportional to 2,249.42, 3,372.65 and 1,079.39

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Solution

The fourth proportional to 2,249.42, 3,372.65 and 1,079.39 is: 1,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.42 : 3,372.65 = 1,079.39 : x
  2. Step 2: Convert to fraction form
    2,249.42/3,372.65 = 1,079.39/x
  3. Step 3: Cross multiply
    2,249.42x = 3,372.65 × 1,079.39
  4. Step 4: Simplify right side
    2,249.42x = 3,640,387.82
  5. Step 5: Solve for x
    x = 3,640,387.82/2,249.42
  6. Step 6: Final answer
    x = 1,618.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.