Home / 3,811.83-5,261.34-2,240.97

Finding the Fourth Proportional to 3,811.83, 5,261.34 and 2,240.97

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Solution

The fourth proportional to 3,811.83, 5,261.34 and 2,240.97 is: 3,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.83 : 5,261.34 = 2,240.97 : x
  2. Step 2: Convert to fraction form
    3,811.83/5,261.34 = 2,240.97/x
  3. Step 3: Cross multiply
    3,811.83x = 5,261.34 × 2,240.97
  4. Step 4: Simplify right side
    3,811.83x = 11,790,505.10
  5. Step 5: Solve for x
    x = 11,790,505.10/3,811.83
  6. Step 6: Final answer
    x = 3,093.14

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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.