Home / 3,512.52-5,269.56-2,212.56

Finding the Fourth Proportional to 3,512.52, 5,269.56 and 2,212.56

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Solution

The fourth proportional to 3,512.52, 5,269.56 and 2,212.56 is: 3,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.52 : 5,269.56 = 2,212.56 : x
  2. Step 2: Convert to fraction form
    3,512.52/5,269.56 = 2,212.56/x
  3. Step 3: Cross multiply
    3,512.52x = 5,269.56 × 2,212.56
  4. Step 4: Simplify right side
    3,512.52x = 11,659,217.67
  5. Step 5: Solve for x
    x = 11,659,217.67/3,512.52
  6. Step 6: Final answer
    x = 3,319.33

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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.