Home / 3,177.22-4,757.71-1,879.62

Finding the Fourth Proportional to 3,177.22, 4,757.71 and 1,879.62

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Solution

The fourth proportional to 3,177.22, 4,757.71 and 1,879.62 is: 2,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.22 : 4,757.71 = 1,879.62 : x
  2. Step 2: Convert to fraction form
    3,177.22/4,757.71 = 1,879.62/x
  3. Step 3: Cross multiply
    3,177.22x = 4,757.71 × 1,879.62
  4. Step 4: Simplify right side
    3,177.22x = 8,942,686.87
  5. Step 5: Solve for x
    x = 8,942,686.87/3,177.22
  6. Step 6: Final answer
    x = 2,814.63

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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.