Home / 3,960.21-5,465.22-2,282.04

Finding the Fourth Proportional to 3,960.21, 5,465.22 and 2,282.04

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Solution

The fourth proportional to 3,960.21, 5,465.22 and 2,282.04 is: 3,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.21 : 5,465.22 = 2,282.04 : x
  2. Step 2: Convert to fraction form
    3,960.21/5,465.22 = 2,282.04/x
  3. Step 3: Cross multiply
    3,960.21x = 5,465.22 × 2,282.04
  4. Step 4: Simplify right side
    3,960.21x = 12,471,850.65
  5. Step 5: Solve for x
    x = 12,471,850.65/3,960.21
  6. Step 6: Final answer
    x = 3,149.29

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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.