Home / 4,320.28-5,961.88-2,431.96

Finding the Fourth Proportional to 4,320.28, 5,961.88 and 2,431.96

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Solution

The fourth proportional to 4,320.28, 5,961.88 and 2,431.96 is: 3,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.28 : 5,961.88 = 2,431.96 : x
  2. Step 2: Convert to fraction form
    4,320.28/5,961.88 = 2,431.96/x
  3. Step 3: Cross multiply
    4,320.28x = 5,961.88 × 2,431.96
  4. Step 4: Simplify right side
    4,320.28x = 14,499,053.68
  5. Step 5: Solve for x
    x = 14,499,053.68/4,320.28
  6. Step 6: Final answer
    x = 3,356.04

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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.