Home / 3,320.57-4,975.80-2,146.97

Finding the Fourth Proportional to 3,320.57, 4,975.80 and 2,146.97

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Solution

The fourth proportional to 3,320.57, 4,975.80 and 2,146.97 is: 3,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.57 : 4,975.80 = 2,146.97 : x
  2. Step 2: Convert to fraction form
    3,320.57/4,975.80 = 2,146.97/x
  3. Step 3: Cross multiply
    3,320.57x = 4,975.80 × 2,146.97
  4. Step 4: Simplify right side
    3,320.57x = 10,682,893.33
  5. Step 5: Solve for x
    x = 10,682,893.33/3,320.57
  6. Step 6: Final answer
    x = 3,217.19

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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.