Home / 2,791.77-4,184.68-1,327.83

Finding the Fourth Proportional to 2,791.77, 4,184.68 and 1,327.83

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Solution

The fourth proportional to 2,791.77, 4,184.68 and 1,327.83 is: 1,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.77 : 4,184.68 = 1,327.83 : x
  2. Step 2: Convert to fraction form
    2,791.77/4,184.68 = 1,327.83/x
  3. Step 3: Cross multiply
    2,791.77x = 4,184.68 × 1,327.83
  4. Step 4: Simplify right side
    2,791.77x = 5,556,543.64
  5. Step 5: Solve for x
    x = 5,556,543.64/2,791.77
  6. Step 6: Final answer
    x = 1,990.33

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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.