Home / 2,224.22-3,336.81-664.35

Finding the Fourth Proportional to 2,224.22, 3,336.81 and 664.35

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Solution

The fourth proportional to 2,224.22, 3,336.81 and 664.35 is: 996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.22 : 3,336.81 = 664.35 : x
  2. Step 2: Convert to fraction form
    2,224.22/3,336.81 = 664.35/x
  3. Step 3: Cross multiply
    2,224.22x = 3,336.81 × 664.35
  4. Step 4: Simplify right side
    2,224.22x = 2,216,789.72
  5. Step 5: Solve for x
    x = 2,216,789.72/2,224.22
  6. Step 6: Final answer
    x = 996.66

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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.