Home / 3,043.10-4,565.19-851.78

Finding the Fourth Proportional to 3,043.10, 4,565.19 and 851.78

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Solution

The fourth proportional to 3,043.10, 4,565.19 and 851.78 is: 1,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.10 : 4,565.19 = 851.78 : x
  2. Step 2: Convert to fraction form
    3,043.10/4,565.19 = 851.78/x
  3. Step 3: Cross multiply
    3,043.10x = 4,565.19 × 851.78
  4. Step 4: Simplify right side
    3,043.10x = 3,888,537.54
  5. Step 5: Solve for x
    x = 3,888,537.54/3,043.10
  6. Step 6: Final answer
    x = 1,277.82

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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.