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Finding the Fourth Proportional to 2,268, 3,398.36 and 1,170.99

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Solution

The fourth proportional to 2,268, 3,398.36 and 1,170.99 is: 1,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268 : 3,398.36 = 1,170.99 : x
  2. Step 2: Convert to fraction form
    2,268/3,398.36 = 1,170.99/x
  3. Step 3: Cross multiply
    2,268x = 3,398.36 × 1,170.99
  4. Step 4: Simplify right side
    2,268x = 3,979,439.72
  5. Step 5: Solve for x
    x = 3,979,439.72/2,268
  6. Step 6: Final answer
    x = 1,754.60

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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.