Home / 3,829.68-5,284.97-2,150.94

Finding the Fourth Proportional to 3,829.68, 5,284.97 and 2,150.94

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Solution

The fourth proportional to 3,829.68, 5,284.97 and 2,150.94 is: 2,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.68 : 5,284.97 = 2,150.94 : x
  2. Step 2: Convert to fraction form
    3,829.68/5,284.97 = 2,150.94/x
  3. Step 3: Cross multiply
    3,829.68x = 5,284.97 × 2,150.94
  4. Step 4: Simplify right side
    3,829.68x = 11,367,658.75
  5. Step 5: Solve for x
    x = 11,367,658.75/3,829.68
  6. Step 6: Final answer
    x = 2,968.31

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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.