Home / 3,439.80-4,747.68-2,260.98

Finding the Fourth Proportional to 3,439.80, 4,747.68 and 2,260.98

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Solution

The fourth proportional to 3,439.80, 4,747.68 and 2,260.98 is: 3,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.80 : 4,747.68 = 2,260.98 : x
  2. Step 2: Convert to fraction form
    3,439.80/4,747.68 = 2,260.98/x
  3. Step 3: Cross multiply
    3,439.80x = 4,747.68 × 2,260.98
  4. Step 4: Simplify right side
    3,439.80x = 10,734,409.53
  5. Step 5: Solve for x
    x = 10,734,409.53/3,439.80
  6. Step 6: Final answer
    x = 3,120.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.