Home / 2,763.08-4,138.56-2,141.92

Finding the Fourth Proportional to 2,763.08, 4,138.56 and 2,141.92

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Solution

The fourth proportional to 2,763.08, 4,138.56 and 2,141.92 is: 3,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.08 : 4,138.56 = 2,141.92 : x
  2. Step 2: Convert to fraction form
    2,763.08/4,138.56 = 2,141.92/x
  3. Step 3: Cross multiply
    2,763.08x = 4,138.56 × 2,141.92
  4. Step 4: Simplify right side
    2,763.08x = 8,864,464.44
  5. Step 5: Solve for x
    x = 8,864,464.44/2,763.08
  6. Step 6: Final answer
    x = 3,208.18

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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.