Home / 3,984.22-5,977.14-1,519.06

Finding the Fourth Proportional to 3,984.22, 5,977.14 and 1,519.06

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Solution

The fourth proportional to 3,984.22, 5,977.14 and 1,519.06 is: 2,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.22 : 5,977.14 = 1,519.06 : x
  2. Step 2: Convert to fraction form
    3,984.22/5,977.14 = 1,519.06/x
  3. Step 3: Cross multiply
    3,984.22x = 5,977.14 × 1,519.06
  4. Step 4: Simplify right side
    3,984.22x = 9,079,634.29
  5. Step 5: Solve for x
    x = 9,079,634.29/3,984.22
  6. Step 6: Final answer
    x = 2,278.90

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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.