Home / 3,189.08-4,400.90-1,791.82

Finding the Fourth Proportional to 3,189.08, 4,400.90 and 1,791.82

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Solution

The fourth proportional to 3,189.08, 4,400.90 and 1,791.82 is: 2,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.08 : 4,400.90 = 1,791.82 : x
  2. Step 2: Convert to fraction form
    3,189.08/4,400.90 = 1,791.82/x
  3. Step 3: Cross multiply
    3,189.08x = 4,400.90 × 1,791.82
  4. Step 4: Simplify right side
    3,189.08x = 7,885,620.64
  5. Step 5: Solve for x
    x = 7,885,620.64/3,189.08
  6. Step 6: Final answer
    x = 2,472.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.