Home / 3,965.28-5,472.01-2,286.58

Finding the Fourth Proportional to 3,965.28, 5,472.01 and 2,286.58

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Solution

The fourth proportional to 3,965.28, 5,472.01 and 2,286.58 is: 3,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.28 : 5,472.01 = 2,286.58 : x
  2. Step 2: Convert to fraction form
    3,965.28/5,472.01 = 2,286.58/x
  3. Step 3: Cross multiply
    3,965.28x = 5,472.01 × 2,286.58
  4. Step 4: Simplify right side
    3,965.28x = 12,512,188.63
  5. Step 5: Solve for x
    x = 12,512,188.63/3,965.28
  6. Step 6: Final answer
    x = 3,155.44

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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.