Home / 3,220.22-4,443.89-1,893.92

Finding the Fourth Proportional to 3,220.22, 4,443.89 and 1,893.92

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Solution

The fourth proportional to 3,220.22, 4,443.89 and 1,893.92 is: 2,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.22 : 4,443.89 = 1,893.92 : x
  2. Step 2: Convert to fraction form
    3,220.22/4,443.89 = 1,893.92/x
  3. Step 3: Cross multiply
    3,220.22x = 4,443.89 × 1,893.92
  4. Step 4: Simplify right side
    3,220.22x = 8,416,372.15
  5. Step 5: Solve for x
    x = 8,416,372.15/3,220.22
  6. Step 6: Final answer
    x = 2,613.61

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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.