Home / 3,758.96-5,181.36-2,961.02

Finding the Fourth Proportional to 3,758.96, 5,181.36 and 2,961.02

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Solution

The fourth proportional to 3,758.96, 5,181.36 and 2,961.02 is: 4,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.96 : 5,181.36 = 2,961.02 : x
  2. Step 2: Convert to fraction form
    3,758.96/5,181.36 = 2,961.02/x
  3. Step 3: Cross multiply
    3,758.96x = 5,181.36 × 2,961.02
  4. Step 4: Simplify right side
    3,758.96x = 15,342,084.68
  5. Step 5: Solve for x
    x = 15,342,084.68/3,758.96
  6. Step 6: Final answer
    x = 4,081.48

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1.5x scale

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.