Home / 2,540.14-3,807.98-1,306.92

Finding the Fourth Proportional to 2,540.14, 3,807.98 and 1,306.92

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Solution

The fourth proportional to 2,540.14, 3,807.98 and 1,306.92 is: 1,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.14 : 3,807.98 = 1,306.92 : x
  2. Step 2: Convert to fraction form
    2,540.14/3,807.98 = 1,306.92/x
  3. Step 3: Cross multiply
    2,540.14x = 3,807.98 × 1,306.92
  4. Step 4: Simplify right side
    2,540.14x = 4,976,725.22
  5. Step 5: Solve for x
    x = 4,976,725.22/2,540.14
  6. Step 6: Final answer
    x = 1,959.23

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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.