Home / 3,962.80-5,945.28-2,850.13

Finding the Fourth Proportional to 3,962.80, 5,945.28 and 2,850.13

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Solution

The fourth proportional to 3,962.80, 5,945.28 and 2,850.13 is: 4,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.80 : 5,945.28 = 2,850.13 : x
  2. Step 2: Convert to fraction form
    3,962.80/5,945.28 = 2,850.13/x
  3. Step 3: Cross multiply
    3,962.80x = 5,945.28 × 2,850.13
  4. Step 4: Simplify right side
    3,962.80x = 16,944,820.89
  5. Step 5: Solve for x
    x = 16,944,820.89/3,962.80
  6. Step 6: Final answer
    x = 4,275.97

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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.