Home / 3,330.54-4,992.42-2,161.26

Finding the Fourth Proportional to 3,330.54, 4,992.42 and 2,161.26

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Solution

The fourth proportional to 3,330.54, 4,992.42 and 2,161.26 is: 3,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.54 : 4,992.42 = 2,161.26 : x
  2. Step 2: Convert to fraction form
    3,330.54/4,992.42 = 2,161.26/x
  3. Step 3: Cross multiply
    3,330.54x = 4,992.42 × 2,161.26
  4. Step 4: Simplify right side
    3,330.54x = 10,789,917.65
  5. Step 5: Solve for x
    x = 10,789,917.65/3,330.54
  6. Step 6: Final answer
    x = 3,239.69

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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.