Home / 2,034.08-2,806-1,286.78

Finding the Fourth Proportional to 2,034.08, 2,806 and 1,286.78

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Solution

The fourth proportional to 2,034.08, 2,806 and 1,286.78 is: 1,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.08 : 2,806 = 1,286.78 : x
  2. Step 2: Convert to fraction form
    2,034.08/2,806 = 1,286.78/x
  3. Step 3: Cross multiply
    2,034.08x = 2,806 × 1,286.78
  4. Step 4: Simplify right side
    2,034.08x = 3,610,704.68
  5. Step 5: Solve for x
    x = 3,610,704.68/2,034.08
  6. Step 6: Final answer
    x = 1,775.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.