Home / 3,836.74-5,295.24-2,158.82

Finding the Fourth Proportional to 3,836.74, 5,295.24 and 2,158.82

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Solution

The fourth proportional to 3,836.74, 5,295.24 and 2,158.82 is: 2,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.74 : 5,295.24 = 2,158.82 : x
  2. Step 2: Convert to fraction form
    3,836.74/5,295.24 = 2,158.82/x
  3. Step 3: Cross multiply
    3,836.74x = 5,295.24 × 2,158.82
  4. Step 4: Simplify right side
    3,836.74x = 11,431,470.02
  5. Step 5: Solve for x
    x = 11,431,470.02/3,836.74
  6. Step 6: Final answer
    x = 2,979.47

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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.