Home / 2,791.83-4,183.65-1,230.41

Finding the Fourth Proportional to 2,791.83, 4,183.65 and 1,230.41

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Solution

The fourth proportional to 2,791.83, 4,183.65 and 1,230.41 is: 1,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.83 : 4,183.65 = 1,230.41 : x
  2. Step 2: Convert to fraction form
    2,791.83/4,183.65 = 1,230.41/x
  3. Step 3: Cross multiply
    2,791.83x = 4,183.65 × 1,230.41
  4. Step 4: Simplify right side
    2,791.83x = 5,147,591.72
  5. Step 5: Solve for x
    x = 5,147,591.72/2,791.83
  6. Step 6: Final answer
    x = 1,843.80

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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.