Home / 3,396.12-5,090.94-1,086.12

Finding the Fourth Proportional to 3,396.12, 5,090.94 and 1,086.12

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Solution

The fourth proportional to 3,396.12, 5,090.94 and 1,086.12 is: 1,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.12 : 5,090.94 = 1,086.12 : x
  2. Step 2: Convert to fraction form
    3,396.12/5,090.94 = 1,086.12/x
  3. Step 3: Cross multiply
    3,396.12x = 5,090.94 × 1,086.12
  4. Step 4: Simplify right side
    3,396.12x = 5,529,371.75
  5. Step 5: Solve for x
    x = 5,529,371.75/3,396.12
  6. Step 6: Final answer
    x = 1,628.14

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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.