Home / 3,826.66-5,734.51-2,179.80

Finding the Fourth Proportional to 3,826.66, 5,734.51 and 2,179.80

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Solution

The fourth proportional to 3,826.66, 5,734.51 and 2,179.80 is: 3,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.66 : 5,734.51 = 2,179.80 : x
  2. Step 2: Convert to fraction form
    3,826.66/5,734.51 = 2,179.80/x
  3. Step 3: Cross multiply
    3,826.66x = 5,734.51 × 2,179.80
  4. Step 4: Simplify right side
    3,826.66x = 12,500,118.97
  5. Step 5: Solve for x
    x = 12,500,118.97/3,826.66
  6. Step 6: Final answer
    x = 3,266.59

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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.