Home / 3,972.35-5,481.92-2,293.85

Finding the Fourth Proportional to 3,972.35, 5,481.92 and 2,293.85

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Solution

The fourth proportional to 3,972.35, 5,481.92 and 2,293.85 is: 3,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.35 : 5,481.92 = 2,293.85 : x
  2. Step 2: Convert to fraction form
    3,972.35/5,481.92 = 2,293.85/x
  3. Step 3: Cross multiply
    3,972.35x = 5,481.92 × 2,293.85
  4. Step 4: Simplify right side
    3,972.35x = 12,574,663.31
  5. Step 5: Solve for x
    x = 12,574,663.31/3,972.35
  6. Step 6: Final answer
    x = 3,165.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.