Home / 3,896.22-5,839.46-1,948.98

Finding the Fourth Proportional to 3,896.22, 5,839.46 and 1,948.98

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Solution

The fourth proportional to 3,896.22, 5,839.46 and 1,948.98 is: 2,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.22 : 5,839.46 = 1,948.98 : x
  2. Step 2: Convert to fraction form
    3,896.22/5,839.46 = 1,948.98/x
  3. Step 3: Cross multiply
    3,896.22x = 5,839.46 × 1,948.98
  4. Step 4: Simplify right side
    3,896.22x = 11,380,990.75
  5. Step 5: Solve for x
    x = 11,380,990.75/3,896.22
  6. Step 6: Final answer
    x = 2,921.03

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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.