Home / 3,811.26-5,261.81-2,396.15

Finding the Fourth Proportional to 3,811.26, 5,261.81 and 2,396.15

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Solution

The fourth proportional to 3,811.26, 5,261.81 and 2,396.15 is: 3,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.26 : 5,261.81 = 2,396.15 : x
  2. Step 2: Convert to fraction form
    3,811.26/5,261.81 = 2,396.15/x
  3. Step 3: Cross multiply
    3,811.26x = 5,261.81 × 2,396.15
  4. Step 4: Simplify right side
    3,811.26x = 12,608,086.03
  5. Step 5: Solve for x
    x = 12,608,086.03/3,811.26
  6. Step 6: Final answer
    x = 3,308.11

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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.