Home / 3,836.38-5,755.80-2,912.98

Finding the Fourth Proportional to 3,836.38, 5,755.80 and 2,912.98

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Solution

The fourth proportional to 3,836.38, 5,755.80 and 2,912.98 is: 4,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.38 : 5,755.80 = 2,912.98 : x
  2. Step 2: Convert to fraction form
    3,836.38/5,755.80 = 2,912.98/x
  3. Step 3: Cross multiply
    3,836.38x = 5,755.80 × 2,912.98
  4. Step 4: Simplify right side
    3,836.38x = 16,766,530.28
  5. Step 5: Solve for x
    x = 16,766,530.28/3,836.38
  6. Step 6: Final answer
    x = 4,370.40

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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.