Home / 3,183.05-4,392.39-1,766.72

Finding the Fourth Proportional to 3,183.05, 4,392.39 and 1,766.72

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Solution

The fourth proportional to 3,183.05, 4,392.39 and 1,766.72 is: 2,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.05 : 4,392.39 = 1,766.72 : x
  2. Step 2: Convert to fraction form
    3,183.05/4,392.39 = 1,766.72/x
  3. Step 3: Cross multiply
    3,183.05x = 4,392.39 × 1,766.72
  4. Step 4: Simplify right side
    3,183.05x = 7,760,101.30
  5. Step 5: Solve for x
    x = 7,760,101.30/3,183.05
  6. Step 6: Final answer
    x = 2,437.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.