Home / 3,161.82-4,729.77-2,636.94

Finding the Fourth Proportional to 3,161.82, 4,729.77 and 2,636.94

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Solution

The fourth proportional to 3,161.82, 4,729.77 and 2,636.94 is: 3,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.82 : 4,729.77 = 2,636.94 : x
  2. Step 2: Convert to fraction form
    3,161.82/4,729.77 = 2,636.94/x
  3. Step 3: Cross multiply
    3,161.82x = 4,729.77 × 2,636.94
  4. Step 4: Simplify right side
    3,161.82x = 12,472,119.70
  5. Step 5: Solve for x
    x = 12,472,119.70/3,161.82
  6. Step 6: Final answer
    x = 3,944.60

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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.