Home / 3,965.18-5,471.96-2,286.71

Finding the Fourth Proportional to 3,965.18, 5,471.96 and 2,286.71

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Solution

The fourth proportional to 3,965.18, 5,471.96 and 2,286.71 is: 3,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.18 : 5,471.96 = 2,286.71 : x
  2. Step 2: Convert to fraction form
    3,965.18/5,471.96 = 2,286.71/x
  3. Step 3: Cross multiply
    3,965.18x = 5,471.96 × 2,286.71
  4. Step 4: Simplify right side
    3,965.18x = 12,512,758.29
  5. Step 5: Solve for x
    x = 12,512,758.29/3,965.18
  6. Step 6: Final answer
    x = 3,155.66

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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.