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Finding the Fourth Proportional to 2,339.26, 3,508.89 and 607.75

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Solution

The fourth proportional to 2,339.26, 3,508.89 and 607.75 is: 911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.26 : 3,508.89 = 607.75 : x
  2. Step 2: Convert to fraction form
    2,339.26/3,508.89 = 607.75/x
  3. Step 3: Cross multiply
    2,339.26x = 3,508.89 × 607.75
  4. Step 4: Simplify right side
    2,339.26x = 2,132,527.90
  5. Step 5: Solve for x
    x = 2,132,527.90/2,339.26
  6. Step 6: Final answer
    x = 911.63

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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.