Home / 3,338.85-5,012.82-1,879.02

Finding the Fourth Proportional to 3,338.85, 5,012.82 and 1,879.02

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Solution

The fourth proportional to 3,338.85, 5,012.82 and 1,879.02 is: 2,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.85 : 5,012.82 = 1,879.02 : x
  2. Step 2: Convert to fraction form
    3,338.85/5,012.82 = 1,879.02/x
  3. Step 3: Cross multiply
    3,338.85x = 5,012.82 × 1,879.02
  4. Step 4: Simplify right side
    3,338.85x = 9,419,189.04
  5. Step 5: Solve for x
    x = 9,419,189.04/3,338.85
  6. Step 6: Final answer
    x = 2,821.09

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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.