Home / 3,862.62-5,325.39-3,153.72

Finding the Fourth Proportional to 3,862.62, 5,325.39 and 3,153.72

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Solution

The fourth proportional to 3,862.62, 5,325.39 and 3,153.72 is: 4,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.62 : 5,325.39 = 3,153.72 : x
  2. Step 2: Convert to fraction form
    3,862.62/5,325.39 = 3,153.72/x
  3. Step 3: Cross multiply
    3,862.62x = 5,325.39 × 3,153.72
  4. Step 4: Simplify right side
    3,862.62x = 16,794,788.95
  5. Step 5: Solve for x
    x = 16,794,788.95/3,862.62
  6. Step 6: Final answer
    x = 4,348.03

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1.5x scale

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.