Home / 3,327.13-4,990.69-1,379.39

Finding the Fourth Proportional to 3,327.13, 4,990.69 and 1,379.39

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Solution

The fourth proportional to 3,327.13, 4,990.69 and 1,379.39 is: 2,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.13 : 4,990.69 = 1,379.39 : x
  2. Step 2: Convert to fraction form
    3,327.13/4,990.69 = 1,379.39/x
  3. Step 3: Cross multiply
    3,327.13x = 4,990.69 × 1,379.39
  4. Step 4: Simplify right side
    3,327.13x = 6,884,107.88
  5. Step 5: Solve for x
    x = 6,884,107.88/3,327.13
  6. Step 6: Final answer
    x = 2,069.09

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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.