Home / 3,330.53-4,992.41-2,161.27

Finding the Fourth Proportional to 3,330.53, 4,992.41 and 2,161.27

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Solution

The fourth proportional to 3,330.53, 4,992.41 and 2,161.27 is: 3,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.53 : 4,992.41 = 2,161.27 : x
  2. Step 2: Convert to fraction form
    3,330.53/4,992.41 = 2,161.27/x
  3. Step 3: Cross multiply
    3,330.53x = 4,992.41 × 2,161.27
  4. Step 4: Simplify right side
    3,330.53x = 10,789,945.96
  5. Step 5: Solve for x
    x = 10,789,945.96/3,330.53
  6. Step 6: Final answer
    x = 3,239.71

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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.