Home / 3,067.60-4,600.68-1,118.74

Finding the Fourth Proportional to 3,067.60, 4,600.68 and 1,118.74

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Solution

The fourth proportional to 3,067.60, 4,600.68 and 1,118.74 is: 1,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.60 : 4,600.68 = 1,118.74 : x
  2. Step 2: Convert to fraction form
    3,067.60/4,600.68 = 1,118.74/x
  3. Step 3: Cross multiply
    3,067.60x = 4,600.68 × 1,118.74
  4. Step 4: Simplify right side
    3,067.60x = 5,146,964.74
  5. Step 5: Solve for x
    x = 5,146,964.74/3,067.60
  6. Step 6: Final answer
    x = 1,677.85

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1.5x scale

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.