Home / 3,639.36-5,022.24-2,222.56

Finding the Fourth Proportional to 3,639.36, 5,022.24 and 2,222.56

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Solution

The fourth proportional to 3,639.36, 5,022.24 and 2,222.56 is: 3,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.36 : 5,022.24 = 2,222.56 : x
  2. Step 2: Convert to fraction form
    3,639.36/5,022.24 = 2,222.56/x
  3. Step 3: Cross multiply
    3,639.36x = 5,022.24 × 2,222.56
  4. Step 4: Simplify right side
    3,639.36x = 11,162,229.73
  5. Step 5: Solve for x
    x = 11,162,229.73/3,639.36
  6. Step 6: Final answer
    x = 3,067.09

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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.