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Finding the Fourth Proportional to 2,617.36, 3,610.84 and 1,917.52

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Solution

The fourth proportional to 2,617.36, 3,610.84 and 1,917.52 is: 2,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.36 : 3,610.84 = 1,917.52 : x
  2. Step 2: Convert to fraction form
    2,617.36/3,610.84 = 1,917.52/x
  3. Step 3: Cross multiply
    2,617.36x = 3,610.84 × 1,917.52
  4. Step 4: Simplify right side
    2,617.36x = 6,923,857.92
  5. Step 5: Solve for x
    x = 6,923,857.92/2,617.36
  6. Step 6: Final answer
    x = 2,645.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.