Home / 2,826.78-4,240.56-1,183.14

Finding the Fourth Proportional to 2,826.78, 4,240.56 and 1,183.14

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Solution

The fourth proportional to 2,826.78, 4,240.56 and 1,183.14 is: 1,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.78 : 4,240.56 = 1,183.14 : x
  2. Step 2: Convert to fraction form
    2,826.78/4,240.56 = 1,183.14/x
  3. Step 3: Cross multiply
    2,826.78x = 4,240.56 × 1,183.14
  4. Step 4: Simplify right side
    2,826.78x = 5,017,176.16
  5. Step 5: Solve for x
    x = 5,017,176.16/2,826.78
  6. Step 6: Final answer
    x = 1,774.87

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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.