Home / 3,279.52-4,914.96-1,330.66

Finding the Fourth Proportional to 3,279.52, 4,914.96 and 1,330.66

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Solution

The fourth proportional to 3,279.52, 4,914.96 and 1,330.66 is: 1,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.52 : 4,914.96 = 1,330.66 : x
  2. Step 2: Convert to fraction form
    3,279.52/4,914.96 = 1,330.66/x
  3. Step 3: Cross multiply
    3,279.52x = 4,914.96 × 1,330.66
  4. Step 4: Simplify right side
    3,279.52x = 6,540,141.83
  5. Step 5: Solve for x
    x = 6,540,141.83/3,279.52
  6. Step 6: Final answer
    x = 1,994.24

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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.