Home / 3,212.22-4,815.90-2,169.27

Finding the Fourth Proportional to 3,212.22, 4,815.90 and 2,169.27

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Solution

The fourth proportional to 3,212.22, 4,815.90 and 2,169.27 is: 3,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.22 : 4,815.90 = 2,169.27 : x
  2. Step 2: Convert to fraction form
    3,212.22/4,815.90 = 2,169.27/x
  3. Step 3: Cross multiply
    3,212.22x = 4,815.90 × 2,169.27
  4. Step 4: Simplify right side
    3,212.22x = 10,446,987.39
  5. Step 5: Solve for x
    x = 10,446,987.39/3,212.22
  6. Step 6: Final answer
    x = 3,252.26

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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.