Home / 2,826.69-4,240.92-1,268

Finding the Fourth Proportional to 2,826.69, 4,240.92 and 1,268

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Solution

The fourth proportional to 2,826.69, 4,240.92 and 1,268 is: 1,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.69 : 4,240.92 = 1,268 : x
  2. Step 2: Convert to fraction form
    2,826.69/4,240.92 = 1,268/x
  3. Step 3: Cross multiply
    2,826.69x = 4,240.92 × 1,268
  4. Step 4: Simplify right side
    2,826.69x = 5,377,486.56
  5. Step 5: Solve for x
    x = 5,377,486.56/2,826.69
  6. Step 6: Final answer
    x = 1,902.40

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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.