Home / 2,538.22-3,806.28-1,367.92

Finding the Fourth Proportional to 2,538.22, 3,806.28 and 1,367.92

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Solution

The fourth proportional to 2,538.22, 3,806.28 and 1,367.92 is: 2,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.22 : 3,806.28 = 1,367.92 : x
  2. Step 2: Convert to fraction form
    2,538.22/3,806.28 = 1,367.92/x
  3. Step 3: Cross multiply
    2,538.22x = 3,806.28 × 1,367.92
  4. Step 4: Simplify right side
    2,538.22x = 5,206,686.54
  5. Step 5: Solve for x
    x = 5,206,686.54/2,538.22
  6. Step 6: Final answer
    x = 2,051.31

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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.