Home / 3,241.97-4,862.93-1,391.89

Finding the Fourth Proportional to 3,241.97, 4,862.93 and 1,391.89

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Solution

The fourth proportional to 3,241.97, 4,862.93 and 1,391.89 is: 2,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.97 : 4,862.93 = 1,391.89 : x
  2. Step 2: Convert to fraction form
    3,241.97/4,862.93 = 1,391.89/x
  3. Step 3: Cross multiply
    3,241.97x = 4,862.93 × 1,391.89
  4. Step 4: Simplify right side
    3,241.97x = 6,768,632.36
  5. Step 5: Solve for x
    x = 6,768,632.36/3,241.97
  6. Step 6: Final answer
    x = 2,087.81

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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.