Home / 2,872.26-4,309.30-1,229.73

Finding the Fourth Proportional to 2,872.26, 4,309.30 and 1,229.73

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Solution

The fourth proportional to 2,872.26, 4,309.30 and 1,229.73 is: 1,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.26 : 4,309.30 = 1,229.73 : x
  2. Step 2: Convert to fraction form
    2,872.26/4,309.30 = 1,229.73/x
  3. Step 3: Cross multiply
    2,872.26x = 4,309.30 × 1,229.73
  4. Step 4: Simplify right side
    2,872.26x = 5,299,285.11
  5. Step 5: Solve for x
    x = 5,299,285.11/2,872.26
  6. Step 6: Final answer
    x = 1,844.99

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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.