Home / 3,327.30-4,991.14-1,379.64

Finding the Fourth Proportional to 3,327.30, 4,991.14 and 1,379.64

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Solution

The fourth proportional to 3,327.30, 4,991.14 and 1,379.64 is: 2,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.30 : 4,991.14 = 1,379.64 : x
  2. Step 2: Convert to fraction form
    3,327.30/4,991.14 = 1,379.64/x
  3. Step 3: Cross multiply
    3,327.30x = 4,991.14 × 1,379.64
  4. Step 4: Simplify right side
    3,327.30x = 6,885,976.39
  5. Step 5: Solve for x
    x = 6,885,976.39/3,327.30
  6. Step 6: Final answer
    x = 2,069.54

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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.