Home / 3,811.05-5,261.84-2,469.90

Finding the Fourth Proportional to 3,811.05, 5,261.84 and 2,469.90

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Solution

The fourth proportional to 3,811.05, 5,261.84 and 2,469.90 is: 3,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.05 : 5,261.84 = 2,469.90 : x
  2. Step 2: Convert to fraction form
    3,811.05/5,261.84 = 2,469.90/x
  3. Step 3: Cross multiply
    3,811.05x = 5,261.84 × 2,469.90
  4. Step 4: Simplify right side
    3,811.05x = 12,996,218.62
  5. Step 5: Solve for x
    x = 12,996,218.62/3,811.05
  6. Step 6: Final answer
    x = 3,410.14

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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.