Home / 3,162.82-4,744.23-1,213.96

Finding the Fourth Proportional to 3,162.82, 4,744.23 and 1,213.96

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Solution

The fourth proportional to 3,162.82, 4,744.23 and 1,213.96 is: 1,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.82 : 4,744.23 = 1,213.96 : x
  2. Step 2: Convert to fraction form
    3,162.82/4,744.23 = 1,213.96/x
  3. Step 3: Cross multiply
    3,162.82x = 4,744.23 × 1,213.96
  4. Step 4: Simplify right side
    3,162.82x = 5,759,305.45
  5. Step 5: Solve for x
    x = 5,759,305.45/3,162.82
  6. Step 6: Final answer
    x = 1,820.94

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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.