Home / 2,224.62-3,329.67-1,639.38

Finding the Fourth Proportional to 2,224.62, 3,329.67 and 1,639.38

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Solution

The fourth proportional to 2,224.62, 3,329.67 and 1,639.38 is: 2,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.62 : 3,329.67 = 1,639.38 : x
  2. Step 2: Convert to fraction form
    2,224.62/3,329.67 = 1,639.38/x
  3. Step 3: Cross multiply
    2,224.62x = 3,329.67 × 1,639.38
  4. Step 4: Simplify right side
    2,224.62x = 5,458,594.40
  5. Step 5: Solve for x
    x = 5,458,594.40/2,224.62
  6. Step 6: Final answer
    x = 2,453.72

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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.