Home / 3,161.14-4,736.04-1,861.90

Finding the Fourth Proportional to 3,161.14, 4,736.04 and 1,861.90

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Solution

The fourth proportional to 3,161.14, 4,736.04 and 1,861.90 is: 2,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.14 : 4,736.04 = 1,861.90 : x
  2. Step 2: Convert to fraction form
    3,161.14/4,736.04 = 1,861.90/x
  3. Step 3: Cross multiply
    3,161.14x = 4,736.04 × 1,861.90
  4. Step 4: Simplify right side
    3,161.14x = 8,818,032.88
  5. Step 5: Solve for x
    x = 8,818,032.88/3,161.14
  6. Step 6: Final answer
    x = 2,789.51

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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.