Home / 3,508.75-5,255.63-2,272.49

Finding the Fourth Proportional to 3,508.75, 5,255.63 and 2,272.49

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Solution

The fourth proportional to 3,508.75, 5,255.63 and 2,272.49 is: 3,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.75 : 5,255.63 = 2,272.49 : x
  2. Step 2: Convert to fraction form
    3,508.75/5,255.63 = 2,272.49/x
  3. Step 3: Cross multiply
    3,508.75x = 5,255.63 × 2,272.49
  4. Step 4: Simplify right side
    3,508.75x = 11,943,366.62
  5. Step 5: Solve for x
    x = 11,943,366.62/3,508.75
  6. Step 6: Final answer
    x = 3,403.88

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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.