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Finding the Fourth Proportional to 3,505.14, 5,257.26 and 908.01

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Solution

The fourth proportional to 3,505.14, 5,257.26 and 908.01 is: 1,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.14 : 5,257.26 = 908.01 : x
  2. Step 2: Convert to fraction form
    3,505.14/5,257.26 = 908.01/x
  3. Step 3: Cross multiply
    3,505.14x = 5,257.26 × 908.01
  4. Step 4: Simplify right side
    3,505.14x = 4,773,644.65
  5. Step 5: Solve for x
    x = 4,773,644.65/3,505.14
  6. Step 6: Final answer
    x = 1,361.90

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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.