Home / 3,161.50-4,348.29-2,767.84

Finding the Fourth Proportional to 3,161.50, 4,348.29 and 2,767.84

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Solution

The fourth proportional to 3,161.50, 4,348.29 and 2,767.84 is: 3,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.50 : 4,348.29 = 2,767.84 : x
  2. Step 2: Convert to fraction form
    3,161.50/4,348.29 = 2,767.84/x
  3. Step 3: Cross multiply
    3,161.50x = 4,348.29 × 2,767.84
  4. Step 4: Simplify right side
    3,161.50x = 12,035,370.99
  5. Step 5: Solve for x
    x = 12,035,370.99/3,161.50
  6. Step 6: Final answer
    x = 3,806.85

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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.