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Finding the Fourth Proportional to 3,195.88, 4,408.86 and 2,076.88

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Solution

The fourth proportional to 3,195.88, 4,408.86 and 2,076.88 is: 2,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.88 : 4,408.86 = 2,076.88 : x
  2. Step 2: Convert to fraction form
    3,195.88/4,408.86 = 2,076.88/x
  3. Step 3: Cross multiply
    3,195.88x = 4,408.86 × 2,076.88
  4. Step 4: Simplify right side
    3,195.88x = 9,156,673.16
  5. Step 5: Solve for x
    x = 9,156,673.16/3,195.88
  6. Step 6: Final answer
    x = 2,865.15

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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.