Home / 3,158.97-4,359.42-1,742.72

Finding the Fourth Proportional to 3,158.97, 4,359.42 and 1,742.72

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Solution

The fourth proportional to 3,158.97, 4,359.42 and 1,742.72 is: 2,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.97 : 4,359.42 = 1,742.72 : x
  2. Step 2: Convert to fraction form
    3,158.97/4,359.42 = 1,742.72/x
  3. Step 3: Cross multiply
    3,158.97x = 4,359.42 × 1,742.72
  4. Step 4: Simplify right side
    3,158.97x = 7,597,226.63
  5. Step 5: Solve for x
    x = 7,597,226.63/3,158.97
  6. Step 6: Final answer
    x = 2,404.97

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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.