Home / 2,454.96-3,388.56-1,961.04

Finding the Fourth Proportional to 2,454.96, 3,388.56 and 1,961.04

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Solution

The fourth proportional to 2,454.96, 3,388.56 and 1,961.04 is: 2,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.96 : 3,388.56 = 1,961.04 : x
  2. Step 2: Convert to fraction form
    2,454.96/3,388.56 = 1,961.04/x
  3. Step 3: Cross multiply
    2,454.96x = 3,388.56 × 1,961.04
  4. Step 4: Simplify right side
    2,454.96x = 6,645,101.70
  5. Step 5: Solve for x
    x = 6,645,101.70/2,454.96
  6. Step 6: Final answer
    x = 2,706.81

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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.