Home / 3,213.15-4,819.32-1,363.92

Finding the Fourth Proportional to 3,213.15, 4,819.32 and 1,363.92

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Solution

The fourth proportional to 3,213.15, 4,819.32 and 1,363.92 is: 2,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.15 : 4,819.32 = 1,363.92 : x
  2. Step 2: Convert to fraction form
    3,213.15/4,819.32 = 1,363.92/x
  3. Step 3: Cross multiply
    3,213.15x = 4,819.32 × 1,363.92
  4. Step 4: Simplify right side
    3,213.15x = 6,573,166.93
  5. Step 5: Solve for x
    x = 6,573,166.93/3,213.15
  6. Step 6: Final answer
    x = 2,045.71

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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.