Home / 2,224.26-3,336.98-664.20

Finding the Fourth Proportional to 2,224.26, 3,336.98 and 664.20

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Solution

The fourth proportional to 2,224.26, 3,336.98 and 664.20 is: 996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.26 : 3,336.98 = 664.20 : x
  2. Step 2: Convert to fraction form
    2,224.26/3,336.98 = 664.20/x
  3. Step 3: Cross multiply
    2,224.26x = 3,336.98 × 664.20
  4. Step 4: Simplify right side
    2,224.26x = 2,216,418.80
  5. Step 5: Solve for x
    x = 2,216,418.80/2,224.26
  6. Step 6: Final answer
    x = 996.47

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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.