Home / 2,180.15-3,268.13-1,397.96

Finding the Fourth Proportional to 2,180.15, 3,268.13 and 1,397.96

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Solution

The fourth proportional to 2,180.15, 3,268.13 and 1,397.96 is: 2,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.15 : 3,268.13 = 1,397.96 : x
  2. Step 2: Convert to fraction form
    2,180.15/3,268.13 = 1,397.96/x
  3. Step 3: Cross multiply
    2,180.15x = 3,268.13 × 1,397.96
  4. Step 4: Simplify right side
    2,180.15x = 4,568,691.68
  5. Step 5: Solve for x
    x = 4,568,691.68/2,180.15
  6. Step 6: Final answer
    x = 2,095.59

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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.