Home / 2,486.29-3,431.11-1,367.24

Finding the Fourth Proportional to 2,486.29, 3,431.11 and 1,367.24

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Solution

The fourth proportional to 2,486.29, 3,431.11 and 1,367.24 is: 1,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.29 : 3,431.11 = 1,367.24 : x
  2. Step 2: Convert to fraction form
    2,486.29/3,431.11 = 1,367.24/x
  3. Step 3: Cross multiply
    2,486.29x = 3,431.11 × 1,367.24
  4. Step 4: Simplify right side
    2,486.29x = 4,691,138.84
  5. Step 5: Solve for x
    x = 4,691,138.84/2,486.29
  6. Step 6: Final answer
    x = 1,886.80

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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.