Home / 3,755.85-5,183.26-2,162.73

Finding the Fourth Proportional to 3,755.85, 5,183.26 and 2,162.73

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Solution

The fourth proportional to 3,755.85, 5,183.26 and 2,162.73 is: 2,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.85 : 5,183.26 = 2,162.73 : x
  2. Step 2: Convert to fraction form
    3,755.85/5,183.26 = 2,162.73/x
  3. Step 3: Cross multiply
    3,755.85x = 5,183.26 × 2,162.73
  4. Step 4: Simplify right side
    3,755.85x = 11,209,991.90
  5. Step 5: Solve for x
    x = 11,209,991.90/3,755.85
  6. Step 6: Final answer
    x = 2,984.68

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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.