Home / 3,380.44-4,665.78-2,199.48

Finding the Fourth Proportional to 3,380.44, 4,665.78 and 2,199.48

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Solution

The fourth proportional to 3,380.44, 4,665.78 and 2,199.48 is: 3,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.44 : 4,665.78 = 2,199.48 : x
  2. Step 2: Convert to fraction form
    3,380.44/4,665.78 = 2,199.48/x
  3. Step 3: Cross multiply
    3,380.44x = 4,665.78 × 2,199.48
  4. Step 4: Simplify right side
    3,380.44x = 10,262,289.79
  5. Step 5: Solve for x
    x = 10,262,289.79/3,380.44
  6. Step 6: Final answer
    x = 3,035.79

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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.