Home / 3,997.46-5,984.87-2,119.08

Finding the Fourth Proportional to 3,997.46, 5,984.87 and 2,119.08

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Solution

The fourth proportional to 3,997.46, 5,984.87 and 2,119.08 is: 3,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.46 : 5,984.87 = 2,119.08 : x
  2. Step 2: Convert to fraction form
    3,997.46/5,984.87 = 2,119.08/x
  3. Step 3: Cross multiply
    3,997.46x = 5,984.87 × 2,119.08
  4. Step 4: Simplify right side
    3,997.46x = 12,682,418.32
  5. Step 5: Solve for x
    x = 12,682,418.32/3,997.46
  6. Step 6: Final answer
    x = 3,172.62

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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.