Home / 3,836.23-5,754.34-2,115.79

Finding the Fourth Proportional to 3,836.23, 5,754.34 and 2,115.79

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Solution

The fourth proportional to 3,836.23, 5,754.34 and 2,115.79 is: 3,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.23 : 5,754.34 = 2,115.79 : x
  2. Step 2: Convert to fraction form
    3,836.23/5,754.34 = 2,115.79/x
  3. Step 3: Cross multiply
    3,836.23x = 5,754.34 × 2,115.79
  4. Step 4: Simplify right side
    3,836.23x = 12,174,940.97
  5. Step 5: Solve for x
    x = 12,174,940.97/3,836.23
  6. Step 6: Final answer
    x = 3,173.68

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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.