Home / 3,829.92-5,277.36-3,080.88

Finding the Fourth Proportional to 3,829.92, 5,277.36 and 3,080.88

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Solution

The fourth proportional to 3,829.92, 5,277.36 and 3,080.88 is: 4,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.92 : 5,277.36 = 3,080.88 : x
  2. Step 2: Convert to fraction form
    3,829.92/5,277.36 = 3,080.88/x
  3. Step 3: Cross multiply
    3,829.92x = 5,277.36 × 3,080.88
  4. Step 4: Simplify right side
    3,829.92x = 16,258,912.88
  5. Step 5: Solve for x
    x = 16,258,912.88/3,829.92
  6. Step 6: Final answer
    x = 4,245.24

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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.