Home / 3,424.87-4,728.18-2,375.11

Finding the Fourth Proportional to 3,424.87, 4,728.18 and 2,375.11

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Solution

The fourth proportional to 3,424.87, 4,728.18 and 2,375.11 is: 3,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.87 : 4,728.18 = 2,375.11 : x
  2. Step 2: Convert to fraction form
    3,424.87/4,728.18 = 2,375.11/x
  3. Step 3: Cross multiply
    3,424.87x = 4,728.18 × 2,375.11
  4. Step 4: Simplify right side
    3,424.87x = 11,229,947.60
  5. Step 5: Solve for x
    x = 11,229,947.60/3,424.87
  6. Step 6: Final answer
    x = 3,278.94

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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.