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Finding the Fourth Proportional to 2,249.74, 3,374.85 and 606.31

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Solution

The fourth proportional to 2,249.74, 3,374.85 and 606.31 is: 909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.74 : 3,374.85 = 606.31 : x
  2. Step 2: Convert to fraction form
    2,249.74/3,374.85 = 606.31/x
  3. Step 3: Cross multiply
    2,249.74x = 3,374.85 × 606.31
  4. Step 4: Simplify right side
    2,249.74x = 2,046,205.30
  5. Step 5: Solve for x
    x = 2,046,205.30/2,249.74
  6. Step 6: Final answer
    x = 909.53

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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.