Home / 3,771.40-5,204.22-2,092.72

Finding the Fourth Proportional to 3,771.40, 5,204.22 and 2,092.72

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Solution

The fourth proportional to 3,771.40, 5,204.22 and 2,092.72 is: 2,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.40 : 5,204.22 = 2,092.72 : x
  2. Step 2: Convert to fraction form
    3,771.40/5,204.22 = 2,092.72/x
  3. Step 3: Cross multiply
    3,771.40x = 5,204.22 × 2,092.72
  4. Step 4: Simplify right side
    3,771.40x = 10,890,975.28
  5. Step 5: Solve for x
    x = 10,890,975.28/3,771.40
  6. Step 6: Final answer
    x = 2,887.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.