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Finding the Fourth Proportional to 1,745.09, 2,616.92 and 575.04

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Solution

The fourth proportional to 1,745.09, 2,616.92 and 575.04 is: 862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.09 : 2,616.92 = 575.04 : x
  2. Step 2: Convert to fraction form
    1,745.09/2,616.92 = 575.04/x
  3. Step 3: Cross multiply
    1,745.09x = 2,616.92 × 575.04
  4. Step 4: Simplify right side
    1,745.09x = 1,504,830.80
  5. Step 5: Solve for x
    x = 1,504,830.80/1,745.09
  6. Step 6: Final answer
    x = 862.33

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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.