Home / 3,879.06-5,352.92-2,200.43

Finding the Fourth Proportional to 3,879.06, 5,352.92 and 2,200.43

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Solution

The fourth proportional to 3,879.06, 5,352.92 and 2,200.43 is: 3,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.06 : 5,352.92 = 2,200.43 : x
  2. Step 2: Convert to fraction form
    3,879.06/5,352.92 = 2,200.43/x
  3. Step 3: Cross multiply
    3,879.06x = 5,352.92 × 2,200.43
  4. Step 4: Simplify right side
    3,879.06x = 11,778,740.54
  5. Step 5: Solve for x
    x = 11,778,740.54/3,879.06
  6. Step 6: Final answer
    x = 3,036.49

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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.