Home / 3,965.33-5,469.68-2,550.86

Finding the Fourth Proportional to 3,965.33, 5,469.68 and 2,550.86

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Solution

The fourth proportional to 3,965.33, 5,469.68 and 2,550.86 is: 3,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.33 : 5,469.68 = 2,550.86 : x
  2. Step 2: Convert to fraction form
    3,965.33/5,469.68 = 2,550.86/x
  3. Step 3: Cross multiply
    3,965.33x = 5,469.68 × 2,550.86
  4. Step 4: Simplify right side
    3,965.33x = 13,952,383.37
  5. Step 5: Solve for x
    x = 13,952,383.37/3,965.33
  6. Step 6: Final answer
    x = 3,518.59

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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.