Home / 2,758.94-4,132.58-2,171.15

Finding the Fourth Proportional to 2,758.94, 4,132.58 and 2,171.15

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Solution

The fourth proportional to 2,758.94, 4,132.58 and 2,171.15 is: 3,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.94 : 4,132.58 = 2,171.15 : x
  2. Step 2: Convert to fraction form
    2,758.94/4,132.58 = 2,171.15/x
  3. Step 3: Cross multiply
    2,758.94x = 4,132.58 × 2,171.15
  4. Step 4: Simplify right side
    2,758.94x = 8,972,450.54
  5. Step 5: Solve for x
    x = 8,972,450.54/2,758.94
  6. Step 6: Final answer
    x = 3,252.13

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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.