Home / 3,841.25-5,301.20-2,162.82

Finding the Fourth Proportional to 3,841.25, 5,301.20 and 2,162.82

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Solution

The fourth proportional to 3,841.25, 5,301.20 and 2,162.82 is: 2,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.25 : 5,301.20 = 2,162.82 : x
  2. Step 2: Convert to fraction form
    3,841.25/5,301.20 = 2,162.82/x
  3. Step 3: Cross multiply
    3,841.25x = 5,301.20 × 2,162.82
  4. Step 4: Simplify right side
    3,841.25x = 11,465,541.38
  5. Step 5: Solve for x
    x = 11,465,541.38/3,841.25
  6. Step 6: Final answer
    x = 2,984.85

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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.