Home / 3,419.88-5,129.82-1,958.02

Finding the Fourth Proportional to 3,419.88, 5,129.82 and 1,958.02

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Solution

The fourth proportional to 3,419.88, 5,129.82 and 1,958.02 is: 2,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.88 : 5,129.82 = 1,958.02 : x
  2. Step 2: Convert to fraction form
    3,419.88/5,129.82 = 1,958.02/x
  3. Step 3: Cross multiply
    3,419.88x = 5,129.82 × 1,958.02
  4. Step 4: Simplify right side
    3,419.88x = 10,044,290.16
  5. Step 5: Solve for x
    x = 10,044,290.16/3,419.88
  6. Step 6: Final answer
    x = 2,937.03

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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.