Home / 3,247.38-4,471.96-2,821.82

Finding the Fourth Proportional to 3,247.38, 4,471.96 and 2,821.82

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Solution

The fourth proportional to 3,247.38, 4,471.96 and 2,821.82 is: 3,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.38 : 4,471.96 = 2,821.82 : x
  2. Step 2: Convert to fraction form
    3,247.38/4,471.96 = 2,821.82/x
  3. Step 3: Cross multiply
    3,247.38x = 4,471.96 × 2,821.82
  4. Step 4: Simplify right side
    3,247.38x = 12,619,066.17
  5. Step 5: Solve for x
    x = 12,619,066.17/3,247.38
  6. Step 6: Final answer
    x = 3,885.92

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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.