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Finding the Fourth Proportional to 1,634.88, 2,452.44 and 539.25

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Solution

The fourth proportional to 1,634.88, 2,452.44 and 539.25 is: 808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.88 : 2,452.44 = 539.25 : x
  2. Step 2: Convert to fraction form
    1,634.88/2,452.44 = 539.25/x
  3. Step 3: Cross multiply
    1,634.88x = 2,452.44 × 539.25
  4. Step 4: Simplify right side
    1,634.88x = 1,322,478.27
  5. Step 5: Solve for x
    x = 1,322,478.27/1,634.88
  6. Step 6: Final answer
    x = 808.91

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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.