Home / 3,812.76-5,261.49-2,241.90

Finding the Fourth Proportional to 3,812.76, 5,261.49 and 2,241.90

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Solution

The fourth proportional to 3,812.76, 5,261.49 and 2,241.90 is: 3,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.76 : 5,261.49 = 2,241.90 : x
  2. Step 2: Convert to fraction form
    3,812.76/5,261.49 = 2,241.90/x
  3. Step 3: Cross multiply
    3,812.76x = 5,261.49 × 2,241.90
  4. Step 4: Simplify right side
    3,812.76x = 11,795,734.43
  5. Step 5: Solve for x
    x = 11,795,734.43/3,812.76
  6. Step 6: Final answer
    x = 3,093.75

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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.