Home / 3,241.71-4,862.73-1,391.55

Finding the Fourth Proportional to 3,241.71, 4,862.73 and 1,391.55

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Solution

The fourth proportional to 3,241.71, 4,862.73 and 1,391.55 is: 2,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.71 : 4,862.73 = 1,391.55 : x
  2. Step 2: Convert to fraction form
    3,241.71/4,862.73 = 1,391.55/x
  3. Step 3: Cross multiply
    3,241.71x = 4,862.73 × 1,391.55
  4. Step 4: Simplify right side
    3,241.71x = 6,766,731.93
  5. Step 5: Solve for x
    x = 6,766,731.93/3,241.71
  6. Step 6: Final answer
    x = 2,087.40

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1.5x scale

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.