Home / 3,910.26-5,391.73-2,492.05

Finding the Fourth Proportional to 3,910.26, 5,391.73 and 2,492.05

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Solution

The fourth proportional to 3,910.26, 5,391.73 and 2,492.05 is: 3,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.26 : 5,391.73 = 2,492.05 : x
  2. Step 2: Convert to fraction form
    3,910.26/5,391.73 = 2,492.05/x
  3. Step 3: Cross multiply
    3,910.26x = 5,391.73 × 2,492.05
  4. Step 4: Simplify right side
    3,910.26x = 13,436,460.75
  5. Step 5: Solve for x
    x = 13,436,460.75/3,910.26
  6. Step 6: Final answer
    x = 3,436.21

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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.