Home / 3,310.96-4,956.57-2,138.69

Finding the Fourth Proportional to 3,310.96, 4,956.57 and 2,138.69

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Solution

The fourth proportional to 3,310.96, 4,956.57 and 2,138.69 is: 3,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.96 : 4,956.57 = 2,138.69 : x
  2. Step 2: Convert to fraction form
    3,310.96/4,956.57 = 2,138.69/x
  3. Step 3: Cross multiply
    3,310.96x = 4,956.57 × 2,138.69
  4. Step 4: Simplify right side
    3,310.96x = 10,600,566.69
  5. Step 5: Solve for x
    x = 10,600,566.69/3,310.96
  6. Step 6: Final answer
    x = 3,201.66

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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.