Home / 3,212.20-4,818.53-1,363.11

Finding the Fourth Proportional to 3,212.20, 4,818.53 and 1,363.11

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Solution

The fourth proportional to 3,212.20, 4,818.53 and 1,363.11 is: 2,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.20 : 4,818.53 = 1,363.11 : x
  2. Step 2: Convert to fraction form
    3,212.20/4,818.53 = 1,363.11/x
  3. Step 3: Cross multiply
    3,212.20x = 4,818.53 × 1,363.11
  4. Step 4: Simplify right side
    3,212.20x = 6,568,186.43
  5. Step 5: Solve for x
    x = 6,568,186.43/3,212.20
  6. Step 6: Final answer
    x = 2,044.76

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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.