Home / 2,791.04-4,189.36-2,331.84

Finding the Fourth Proportional to 2,791.04, 4,189.36 and 2,331.84

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Solution

The fourth proportional to 2,791.04, 4,189.36 and 2,331.84 is: 3,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.04 : 4,189.36 = 2,331.84 : x
  2. Step 2: Convert to fraction form
    2,791.04/4,189.36 = 2,331.84/x
  3. Step 3: Cross multiply
    2,791.04x = 4,189.36 × 2,331.84
  4. Step 4: Simplify right side
    2,791.04x = 9,768,917.22
  5. Step 5: Solve for x
    x = 9,768,917.22/2,791.04
  6. Step 6: Final answer
    x = 3,500.10

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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.