Home / 3,923.25-5,416.82-2,745.92

Finding the Fourth Proportional to 3,923.25, 5,416.82 and 2,745.92

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Solution

The fourth proportional to 3,923.25, 5,416.82 and 2,745.92 is: 3,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.25 : 5,416.82 = 2,745.92 : x
  2. Step 2: Convert to fraction form
    3,923.25/5,416.82 = 2,745.92/x
  3. Step 3: Cross multiply
    3,923.25x = 5,416.82 × 2,745.92
  4. Step 4: Simplify right side
    3,923.25x = 14,874,113.56
  5. Step 5: Solve for x
    x = 14,874,113.56/3,923.25
  6. Step 6: Final answer
    x = 3,791.27

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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.