Home / 3,837.38-5,295.24-2,158.92

Finding the Fourth Proportional to 3,837.38, 5,295.24 and 2,158.92

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Solution

The fourth proportional to 3,837.38, 5,295.24 and 2,158.92 is: 2,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.38 : 5,295.24 = 2,158.92 : x
  2. Step 2: Convert to fraction form
    3,837.38/5,295.24 = 2,158.92/x
  3. Step 3: Cross multiply
    3,837.38x = 5,295.24 × 2,158.92
  4. Step 4: Simplify right side
    3,837.38x = 11,431,999.54
  5. Step 5: Solve for x
    x = 11,431,999.54/3,837.38
  6. Step 6: Final answer
    x = 2,979.12

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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.