Home / 3,959.68-5,934.66-2,867.80

Finding the Fourth Proportional to 3,959.68, 5,934.66 and 2,867.80

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Solution

The fourth proportional to 3,959.68, 5,934.66 and 2,867.80 is: 4,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.68 : 5,934.66 = 2,867.80 : x
  2. Step 2: Convert to fraction form
    3,959.68/5,934.66 = 2,867.80/x
  3. Step 3: Cross multiply
    3,959.68x = 5,934.66 × 2,867.80
  4. Step 4: Simplify right side
    3,959.68x = 17,019,417.95
  5. Step 5: Solve for x
    x = 17,019,417.95/3,959.68
  6. Step 6: Final answer
    x = 4,298.18

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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.