Home / 3,755.72-5,183.09-2,162.61

Finding the Fourth Proportional to 3,755.72, 5,183.09 and 2,162.61

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Solution

The fourth proportional to 3,755.72, 5,183.09 and 2,162.61 is: 2,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.72 : 5,183.09 = 2,162.61 : x
  2. Step 2: Convert to fraction form
    3,755.72/5,183.09 = 2,162.61/x
  3. Step 3: Cross multiply
    3,755.72x = 5,183.09 × 2,162.61
  4. Step 4: Simplify right side
    3,755.72x = 11,209,007.67
  5. Step 5: Solve for x
    x = 11,209,007.67/3,755.72
  6. Step 6: Final answer
    x = 2,984.51

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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.