Home / 2,538.11-3,806.08-1,612.82

Finding the Fourth Proportional to 2,538.11, 3,806.08 and 1,612.82

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Solution

The fourth proportional to 2,538.11, 3,806.08 and 1,612.82 is: 2,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.11 : 3,806.08 = 1,612.82 : x
  2. Step 2: Convert to fraction form
    2,538.11/3,806.08 = 1,612.82/x
  3. Step 3: Cross multiply
    2,538.11x = 3,806.08 × 1,612.82
  4. Step 4: Simplify right side
    2,538.11x = 6,138,521.95
  5. Step 5: Solve for x
    x = 6,138,521.95/2,538.11
  6. Step 6: Final answer
    x = 2,418.54

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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.