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Finding the Fourth Proportional to 3,994.83, 5,512.76 and 2,226.39

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Solution

The fourth proportional to 3,994.83, 5,512.76 and 2,226.39 is: 3,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.83 : 5,512.76 = 2,226.39 : x
  2. Step 2: Convert to fraction form
    3,994.83/5,512.76 = 2,226.39/x
  3. Step 3: Cross multiply
    3,994.83x = 5,512.76 × 2,226.39
  4. Step 4: Simplify right side
    3,994.83x = 12,273,542.60
  5. Step 5: Solve for x
    x = 12,273,542.60/3,994.83
  6. Step 6: Final answer
    x = 3,072.36

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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.