Home / 3,223.92-4,447.96-2,176.56

Finding the Fourth Proportional to 3,223.92, 4,447.96 and 2,176.56

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Solution

The fourth proportional to 3,223.92, 4,447.96 and 2,176.56 is: 3,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.92 : 4,447.96 = 2,176.56 : x
  2. Step 2: Convert to fraction form
    3,223.92/4,447.96 = 2,176.56/x
  3. Step 3: Cross multiply
    3,223.92x = 4,447.96 × 2,176.56
  4. Step 4: Simplify right side
    3,223.92x = 9,681,251.82
  5. Step 5: Solve for x
    x = 9,681,251.82/3,223.92
  6. Step 6: Final answer
    x = 3,002.94

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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.