Home / 3,288.82-4,921.13-3,110.70

Finding the Fourth Proportional to 3,288.82, 4,921.13 and 3,110.70

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Solution

The fourth proportional to 3,288.82, 4,921.13 and 3,110.70 is: 4,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.82 : 4,921.13 = 3,110.70 : x
  2. Step 2: Convert to fraction form
    3,288.82/4,921.13 = 3,110.70/x
  3. Step 3: Cross multiply
    3,288.82x = 4,921.13 × 3,110.70
  4. Step 4: Simplify right side
    3,288.82x = 15,308,176.57
  5. Step 5: Solve for x
    x = 15,308,176.57/3,288.82
  6. Step 6: Final answer
    x = 4,654.62

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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.