Home / 2,712.75-4,067.10-1,479.93

Finding the Fourth Proportional to 2,712.75, 4,067.10 and 1,479.93

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Solution

The fourth proportional to 2,712.75, 4,067.10 and 1,479.93 is: 2,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.75 : 4,067.10 = 1,479.93 : x
  2. Step 2: Convert to fraction form
    2,712.75/4,067.10 = 1,479.93/x
  3. Step 3: Cross multiply
    2,712.75x = 4,067.10 × 1,479.93
  4. Step 4: Simplify right side
    2,712.75x = 6,019,023.30
  5. Step 5: Solve for x
    x = 6,019,023.30/2,712.75
  6. Step 6: Final answer
    x = 2,218.79

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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.