Home / 3,829.28-5,277.60-3,296.79

Finding the Fourth Proportional to 3,829.28, 5,277.60 and 3,296.79

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Solution

The fourth proportional to 3,829.28, 5,277.60 and 3,296.79 is: 4,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.28 : 5,277.60 = 3,296.79 : x
  2. Step 2: Convert to fraction form
    3,829.28/5,277.60 = 3,296.79/x
  3. Step 3: Cross multiply
    3,829.28x = 5,277.60 × 3,296.79
  4. Step 4: Simplify right side
    3,829.28x = 17,399,138.90
  5. Step 5: Solve for x
    x = 17,399,138.90/3,829.28
  6. Step 6: Final answer
    x = 4,543.72

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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.