Home / 3,212.12-4,820.62-2,224.38

Finding the Fourth Proportional to 3,212.12, 4,820.62 and 2,224.38

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Solution

The fourth proportional to 3,212.12, 4,820.62 and 2,224.38 is: 3,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.12 : 4,820.62 = 2,224.38 : x
  2. Step 2: Convert to fraction form
    3,212.12/4,820.62 = 2,224.38/x
  3. Step 3: Cross multiply
    3,212.12x = 4,820.62 × 2,224.38
  4. Step 4: Simplify right side
    3,212.12x = 10,722,890.72
  5. Step 5: Solve for x
    x = 10,722,890.72/3,212.12
  6. Step 6: Final answer
    x = 3,338.26

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1.5x scale

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.