Home / 3,277.82-4,915.92-2,106.56

Finding the Fourth Proportional to 3,277.82, 4,915.92 and 2,106.56

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Solution

The fourth proportional to 3,277.82, 4,915.92 and 2,106.56 is: 3,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.82 : 4,915.92 = 2,106.56 : x
  2. Step 2: Convert to fraction form
    3,277.82/4,915.92 = 2,106.56/x
  3. Step 3: Cross multiply
    3,277.82x = 4,915.92 × 2,106.56
  4. Step 4: Simplify right side
    3,277.82x = 10,355,680.44
  5. Step 5: Solve for x
    x = 10,355,680.44/3,277.82
  6. Step 6: Final answer
    x = 3,159.32

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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.