Home / 3,043.11-4,565.39-851.80

Finding the Fourth Proportional to 3,043.11, 4,565.39 and 851.80

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Solution

The fourth proportional to 3,043.11, 4,565.39 and 851.80 is: 1,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.11 : 4,565.39 = 851.80 : x
  2. Step 2: Convert to fraction form
    3,043.11/4,565.39 = 851.80/x
  3. Step 3: Cross multiply
    3,043.11x = 4,565.39 × 851.80
  4. Step 4: Simplify right side
    3,043.11x = 3,888,799.20
  5. Step 5: Solve for x
    x = 3,888,799.20/3,043.11
  6. Step 6: Final answer
    x = 1,277.90

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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.