Home / 2,836.56-4,251.24-1,274.90

Finding the Fourth Proportional to 2,836.56, 4,251.24 and 1,274.90

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Solution

The fourth proportional to 2,836.56, 4,251.24 and 1,274.90 is: 1,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.56 : 4,251.24 = 1,274.90 : x
  2. Step 2: Convert to fraction form
    2,836.56/4,251.24 = 1,274.90/x
  3. Step 3: Cross multiply
    2,836.56x = 4,251.24 × 1,274.90
  4. Step 4: Simplify right side
    2,836.56x = 5,419,905.88
  5. Step 5: Solve for x
    x = 5,419,905.88/2,836.56
  6. Step 6: Final answer
    x = 1,910.73

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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.