Home / 3,174.06-4,379.97-1,757.79

Finding the Fourth Proportional to 3,174.06, 4,379.97 and 1,757.79

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Solution

The fourth proportional to 3,174.06, 4,379.97 and 1,757.79 is: 2,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.06 : 4,379.97 = 1,757.79 : x
  2. Step 2: Convert to fraction form
    3,174.06/4,379.97 = 1,757.79/x
  3. Step 3: Cross multiply
    3,174.06x = 4,379.97 × 1,757.79
  4. Step 4: Simplify right side
    3,174.06x = 7,699,067.47
  5. Step 5: Solve for x
    x = 7,699,067.47/3,174.06
  6. Step 6: Final answer
    x = 2,425.62

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1.5x scale

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.