Home / 3,879.56-5,822.97-2,581.94

Finding the Fourth Proportional to 3,879.56, 5,822.97 and 2,581.94

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Solution

The fourth proportional to 3,879.56, 5,822.97 and 2,581.94 is: 3,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.56 : 5,822.97 = 2,581.94 : x
  2. Step 2: Convert to fraction form
    3,879.56/5,822.97 = 2,581.94/x
  3. Step 3: Cross multiply
    3,879.56x = 5,822.97 × 2,581.94
  4. Step 4: Simplify right side
    3,879.56x = 15,034,559.16
  5. Step 5: Solve for x
    x = 15,034,559.16/3,879.56
  6. Step 6: Final answer
    x = 3,875.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.