Home / 3,967.42-5,949.91-2,742.70

Finding the Fourth Proportional to 3,967.42, 5,949.91 and 2,742.70

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Solution

The fourth proportional to 3,967.42, 5,949.91 and 2,742.70 is: 4,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.42 : 5,949.91 = 2,742.70 : x
  2. Step 2: Convert to fraction form
    3,967.42/5,949.91 = 2,742.70/x
  3. Step 3: Cross multiply
    3,967.42x = 5,949.91 × 2,742.70
  4. Step 4: Simplify right side
    3,967.42x = 16,318,796.43
  5. Step 5: Solve for x
    x = 16,318,796.43/3,967.42
  6. Step 6: Final answer
    x = 4,113.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.