Home / 3,771.41-5,655.29-2,211.75

Finding the Fourth Proportional to 3,771.41, 5,655.29 and 2,211.75

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Solution

The fourth proportional to 3,771.41, 5,655.29 and 2,211.75 is: 3,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.41 : 5,655.29 = 2,211.75 : x
  2. Step 2: Convert to fraction form
    3,771.41/5,655.29 = 2,211.75/x
  3. Step 3: Cross multiply
    3,771.41x = 5,655.29 × 2,211.75
  4. Step 4: Simplify right side
    3,771.41x = 12,508,076.60
  5. Step 5: Solve for x
    x = 12,508,076.60/3,771.41
  6. Step 6: Final answer
    x = 3,316.56

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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.