Home / 3,879.02-5,352.16-2,200.04

Finding the Fourth Proportional to 3,879.02, 5,352.16 and 2,200.04

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Solution

The fourth proportional to 3,879.02, 5,352.16 and 2,200.04 is: 3,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.02 : 5,352.16 = 2,200.04 : x
  2. Step 2: Convert to fraction form
    3,879.02/5,352.16 = 2,200.04/x
  3. Step 3: Cross multiply
    3,879.02x = 5,352.16 × 2,200.04
  4. Step 4: Simplify right side
    3,879.02x = 11,774,966.09
  5. Step 5: Solve for x
    x = 11,774,966.09/3,879.02
  6. Step 6: Final answer
    x = 3,035.55

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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.