Home / 3,423.44-5,132.85-1,862.12

Finding the Fourth Proportional to 3,423.44, 5,132.85 and 1,862.12

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Solution

The fourth proportional to 3,423.44, 5,132.85 and 1,862.12 is: 2,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.44 : 5,132.85 = 1,862.12 : x
  2. Step 2: Convert to fraction form
    3,423.44/5,132.85 = 1,862.12/x
  3. Step 3: Cross multiply
    3,423.44x = 5,132.85 × 1,862.12
  4. Step 4: Simplify right side
    3,423.44x = 9,557,956.98
  5. Step 5: Solve for x
    x = 9,557,956.98/3,423.44
  6. Step 6: Final answer
    x = 2,791.92

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1.5x scale

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.