Home / 3,418.20-4,716.63-2,091.96

Finding the Fourth Proportional to 3,418.20, 4,716.63 and 2,091.96

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Solution

The fourth proportional to 3,418.20, 4,716.63 and 2,091.96 is: 2,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.20 : 4,716.63 = 2,091.96 : x
  2. Step 2: Convert to fraction form
    3,418.20/4,716.63 = 2,091.96/x
  3. Step 3: Cross multiply
    3,418.20x = 4,716.63 × 2,091.96
  4. Step 4: Simplify right side
    3,418.20x = 9,867,001.29
  5. Step 5: Solve for x
    x = 9,867,001.29/3,418.20
  6. Step 6: Final answer
    x = 2,886.61

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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.