Home / 3,379.08-5,069.70-1,839

Finding the Fourth Proportional to 3,379.08, 5,069.70 and 1,839

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Solution

The fourth proportional to 3,379.08, 5,069.70 and 1,839 is: 2,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.08 : 5,069.70 = 1,839 : x
  2. Step 2: Convert to fraction form
    3,379.08/5,069.70 = 1,839/x
  3. Step 3: Cross multiply
    3,379.08x = 5,069.70 × 1,839
  4. Step 4: Simplify right side
    3,379.08x = 9,323,178.30
  5. Step 5: Solve for x
    x = 9,323,178.30/3,379.08
  6. Step 6: Final answer
    x = 2,759.09

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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.