Home / 3,067.71-4,601.61-1,120.11

Finding the Fourth Proportional to 3,067.71, 4,601.61 and 1,120.11

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Solution

The fourth proportional to 3,067.71, 4,601.61 and 1,120.11 is: 1,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.71 : 4,601.61 = 1,120.11 : x
  2. Step 2: Convert to fraction form
    3,067.71/4,601.61 = 1,120.11/x
  3. Step 3: Cross multiply
    3,067.71x = 4,601.61 × 1,120.11
  4. Step 4: Simplify right side
    3,067.71x = 5,154,309.38
  5. Step 5: Solve for x
    x = 5,154,309.38/3,067.71
  6. Step 6: Final answer
    x = 1,680.18

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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.