Home / 3,837.52-5,294.46-2,158.64

Finding the Fourth Proportional to 3,837.52, 5,294.46 and 2,158.64

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Solution

The fourth proportional to 3,837.52, 5,294.46 and 2,158.64 is: 2,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.52 : 5,294.46 = 2,158.64 : x
  2. Step 2: Convert to fraction form
    3,837.52/5,294.46 = 2,158.64/x
  3. Step 3: Cross multiply
    3,837.52x = 5,294.46 × 2,158.64
  4. Step 4: Simplify right side
    3,837.52x = 11,428,833.13
  5. Step 5: Solve for x
    x = 11,428,833.13/3,837.52
  6. Step 6: Final answer
    x = 2,978.18

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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.