Home / 3,212.22-4,815.05-1,822.62

Finding the Fourth Proportional to 3,212.22, 4,815.05 and 1,822.62

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Solution

The fourth proportional to 3,212.22, 4,815.05 and 1,822.62 is: 2,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.22 : 4,815.05 = 1,822.62 : x
  2. Step 2: Convert to fraction form
    3,212.22/4,815.05 = 1,822.62/x
  3. Step 3: Cross multiply
    3,212.22x = 4,815.05 × 1,822.62
  4. Step 4: Simplify right side
    3,212.22x = 8,775,990.83
  5. Step 5: Solve for x
    x = 8,775,990.83/3,212.22
  6. Step 6: Final answer
    x = 2,732.07

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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.