Home / 3,968.60-5,944.80-1,882.28

Finding the Fourth Proportional to 3,968.60, 5,944.80 and 1,882.28

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Solution

The fourth proportional to 3,968.60, 5,944.80 and 1,882.28 is: 2,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.60 : 5,944.80 = 1,882.28 : x
  2. Step 2: Convert to fraction form
    3,968.60/5,944.80 = 1,882.28/x
  3. Step 3: Cross multiply
    3,968.60x = 5,944.80 × 1,882.28
  4. Step 4: Simplify right side
    3,968.60x = 11,189,778.14
  5. Step 5: Solve for x
    x = 11,189,778.14/3,968.60
  6. Step 6: Final answer
    x = 2,819.58

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1.5x scale

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.