Home / 3,396.40-5,096.88-1,449.06

Finding the Fourth Proportional to 3,396.40, 5,096.88 and 1,449.06

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Solution

The fourth proportional to 3,396.40, 5,096.88 and 1,449.06 is: 2,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.40 : 5,096.88 = 1,449.06 : x
  2. Step 2: Convert to fraction form
    3,396.40/5,096.88 = 1,449.06/x
  3. Step 3: Cross multiply
    3,396.40x = 5,096.88 × 1,449.06
  4. Step 4: Simplify right side
    3,396.40x = 7,385,684.93
  5. Step 5: Solve for x
    x = 7,385,684.93/3,396.40
  6. Step 6: Final answer
    x = 2,174.56

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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.