Home / 3,622.22-4,996.38-2,781.66

Finding the Fourth Proportional to 3,622.22, 4,996.38 and 2,781.66

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Solution

The fourth proportional to 3,622.22, 4,996.38 and 2,781.66 is: 3,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.22 : 4,996.38 = 2,781.66 : x
  2. Step 2: Convert to fraction form
    3,622.22/4,996.38 = 2,781.66/x
  3. Step 3: Cross multiply
    3,622.22x = 4,996.38 × 2,781.66
  4. Step 4: Simplify right side
    3,622.22x = 13,898,230.39
  5. Step 5: Solve for x
    x = 13,898,230.39/3,622.22
  6. Step 6: Final answer
    x = 3,836.94

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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.