Home / 3,067.21-4,600.86-1,119.61

Finding the Fourth Proportional to 3,067.21, 4,600.86 and 1,119.61

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Solution

The fourth proportional to 3,067.21, 4,600.86 and 1,119.61 is: 1,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.21 : 4,600.86 = 1,119.61 : x
  2. Step 2: Convert to fraction form
    3,067.21/4,600.86 = 1,119.61/x
  3. Step 3: Cross multiply
    3,067.21x = 4,600.86 × 1,119.61
  4. Step 4: Simplify right side
    3,067.21x = 5,151,168.86
  5. Step 5: Solve for x
    x = 5,151,168.86/3,067.21
  6. Step 6: Final answer
    x = 1,679.43

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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.