Home / 3,243.60-4,859.64-2,212.56

Finding the Fourth Proportional to 3,243.60, 4,859.64 and 2,212.56

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Solution

The fourth proportional to 3,243.60, 4,859.64 and 2,212.56 is: 3,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.60 : 4,859.64 = 2,212.56 : x
  2. Step 2: Convert to fraction form
    3,243.60/4,859.64 = 2,212.56/x
  3. Step 3: Cross multiply
    3,243.60x = 4,859.64 × 2,212.56
  4. Step 4: Simplify right side
    3,243.60x = 10,752,245.08
  5. Step 5: Solve for x
    x = 10,752,245.08/3,243.60
  6. Step 6: Final answer
    x = 3,314.91

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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.