Home / 2,240.87-3,364.94-1,380.65

Finding the Fourth Proportional to 2,240.87, 3,364.94 and 1,380.65

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Solution

The fourth proportional to 2,240.87, 3,364.94 and 1,380.65 is: 2,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.87 : 3,364.94 = 1,380.65 : x
  2. Step 2: Convert to fraction form
    2,240.87/3,364.94 = 1,380.65/x
  3. Step 3: Cross multiply
    2,240.87x = 3,364.94 × 1,380.65
  4. Step 4: Simplify right side
    2,240.87x = 4,645,791.04
  5. Step 5: Solve for x
    x = 4,645,791.04/2,240.87
  6. Step 6: Final answer
    x = 2,073.21

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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.