Home / 3,249.60-4,868.64-2,218.56

Finding the Fourth Proportional to 3,249.60, 4,868.64 and 2,218.56

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Solution

The fourth proportional to 3,249.60, 4,868.64 and 2,218.56 is: 3,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.60 : 4,868.64 = 2,218.56 : x
  2. Step 2: Convert to fraction form
    3,249.60/4,868.64 = 2,218.56/x
  3. Step 3: Cross multiply
    3,249.60x = 4,868.64 × 2,218.56
  4. Step 4: Simplify right side
    3,249.60x = 10,801,369.96
  5. Step 5: Solve for x
    x = 10,801,369.96/3,249.60
  6. Step 6: Final answer
    x = 3,323.91

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1.5x scale

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.