Home / 4,311.91-5,949.70-2,543.28

Finding the Fourth Proportional to 4,311.91, 5,949.70 and 2,543.28

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Solution

The fourth proportional to 4,311.91, 5,949.70 and 2,543.28 is: 3,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.91 : 5,949.70 = 2,543.28 : x
  2. Step 2: Convert to fraction form
    4,311.91/5,949.70 = 2,543.28/x
  3. Step 3: Cross multiply
    4,311.91x = 5,949.70 × 2,543.28
  4. Step 4: Simplify right side
    4,311.91x = 15,131,753.02
  5. Step 5: Solve for x
    x = 15,131,753.02/4,311.91
  6. Step 6: Final answer
    x = 3,509.29

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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.