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Finding the Fourth Proportional to 3,600.88, 4,976.46 and 2,716.36

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Solution

The fourth proportional to 3,600.88, 4,976.46 and 2,716.36 is: 3,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.88 : 4,976.46 = 2,716.36 : x
  2. Step 2: Convert to fraction form
    3,600.88/4,976.46 = 2,716.36/x
  3. Step 3: Cross multiply
    3,600.88x = 4,976.46 × 2,716.36
  4. Step 4: Simplify right side
    3,600.88x = 13,517,856.89
  5. Step 5: Solve for x
    x = 13,517,856.89/3,600.88
  6. Step 6: Final answer
    x = 3,754.04

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Why These Related Problems?

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