Home / 3,962.15-5,949.22-3,147.03

Finding the Fourth Proportional to 3,962.15, 5,949.22 and 3,147.03

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Solution

The fourth proportional to 3,962.15, 5,949.22 and 3,147.03 is: 4,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.15 : 5,949.22 = 3,147.03 : x
  2. Step 2: Convert to fraction form
    3,962.15/5,949.22 = 3,147.03/x
  3. Step 3: Cross multiply
    3,962.15x = 5,949.22 × 3,147.03
  4. Step 4: Simplify right side
    3,962.15x = 18,722,373.82
  5. Step 5: Solve for x
    x = 18,722,373.82/3,962.15
  6. Step 6: Final answer
    x = 4,725.31

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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.