Home / 3,948.88-5,919.80-2,000.08

Finding the Fourth Proportional to 3,948.88, 5,919.80 and 2,000.08

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Solution

The fourth proportional to 3,948.88, 5,919.80 and 2,000.08 is: 2,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.88 : 5,919.80 = 2,000.08 : x
  2. Step 2: Convert to fraction form
    3,948.88/5,919.80 = 2,000.08/x
  3. Step 3: Cross multiply
    3,948.88x = 5,919.80 × 2,000.08
  4. Step 4: Simplify right side
    3,948.88x = 11,840,073.58
  5. Step 5: Solve for x
    x = 11,840,073.58/3,948.88
  6. Step 6: Final answer
    x = 2,998.34

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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.