Home / 2,775.26-4,162.92-926.37

Finding the Fourth Proportional to 2,775.26, 4,162.92 and 926.37

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Solution

The fourth proportional to 2,775.26, 4,162.92 and 926.37 is: 1,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.26 : 4,162.92 = 926.37 : x
  2. Step 2: Convert to fraction form
    2,775.26/4,162.92 = 926.37/x
  3. Step 3: Cross multiply
    2,775.26x = 4,162.92 × 926.37
  4. Step 4: Simplify right side
    2,775.26x = 3,856,404.20
  5. Step 5: Solve for x
    x = 3,856,404.20/2,775.26
  6. Step 6: Final answer
    x = 1,389.57

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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.