Home / 3,320.62-4,580.68-1,993.48

Finding the Fourth Proportional to 3,320.62, 4,580.68 and 1,993.48

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Solution

The fourth proportional to 3,320.62, 4,580.68 and 1,993.48 is: 2,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.62 : 4,580.68 = 1,993.48 : x
  2. Step 2: Convert to fraction form
    3,320.62/4,580.68 = 1,993.48/x
  3. Step 3: Cross multiply
    3,320.62x = 4,580.68 × 1,993.48
  4. Step 4: Simplify right side
    3,320.62x = 9,131,493.97
  5. Step 5: Solve for x
    x = 9,131,493.97/3,320.62
  6. Step 6: Final answer
    x = 2,749.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.