Home / 3,142.80-4,713.97-1,268.82

Finding the Fourth Proportional to 3,142.80, 4,713.97 and 1,268.82

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Solution

The fourth proportional to 3,142.80, 4,713.97 and 1,268.82 is: 1,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.80 : 4,713.97 = 1,268.82 : x
  2. Step 2: Convert to fraction form
    3,142.80/4,713.97 = 1,268.82/x
  3. Step 3: Cross multiply
    3,142.80x = 4,713.97 × 1,268.82
  4. Step 4: Simplify right side
    3,142.80x = 5,981,176.24
  5. Step 5: Solve for x
    x = 5,981,176.24/3,142.80
  6. Step 6: Final answer
    x = 1,903.14

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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.