Home / 2,614.85-3,922.47-667.04

Finding the Fourth Proportional to 2,614.85, 3,922.47 and 667.04

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Solution

The fourth proportional to 2,614.85, 3,922.47 and 667.04 is: 1,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.85 : 3,922.47 = 667.04 : x
  2. Step 2: Convert to fraction form
    2,614.85/3,922.47 = 667.04/x
  3. Step 3: Cross multiply
    2,614.85x = 3,922.47 × 667.04
  4. Step 4: Simplify right side
    2,614.85x = 2,616,454.19
  5. Step 5: Solve for x
    x = 2,616,454.19/2,614.85
  6. Step 6: Final answer
    x = 1,000.62

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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.