Home / 3,847.21-5,768.76-1,996.46

Finding the Fourth Proportional to 3,847.21, 5,768.76 and 1,996.46

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Solution

The fourth proportional to 3,847.21, 5,768.76 and 1,996.46 is: 2,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.21 : 5,768.76 = 1,996.46 : x
  2. Step 2: Convert to fraction form
    3,847.21/5,768.76 = 1,996.46/x
  3. Step 3: Cross multiply
    3,847.21x = 5,768.76 × 1,996.46
  4. Step 4: Simplify right side
    3,847.21x = 11,517,098.59
  5. Step 5: Solve for x
    x = 11,517,098.59/3,847.21
  6. Step 6: Final answer
    x = 2,993.62

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1.5x scale

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.