Home / 3,829.35-5,284.50-2,150.79

Finding the Fourth Proportional to 3,829.35, 5,284.50 and 2,150.79

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Solution

The fourth proportional to 3,829.35, 5,284.50 and 2,150.79 is: 2,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.35 : 5,284.50 = 2,150.79 : x
  2. Step 2: Convert to fraction form
    3,829.35/5,284.50 = 2,150.79/x
  3. Step 3: Cross multiply
    3,829.35x = 5,284.50 × 2,150.79
  4. Step 4: Simplify right side
    3,829.35x = 11,365,849.76
  5. Step 5: Solve for x
    x = 11,365,849.76/3,829.35
  6. Step 6: Final answer
    x = 2,968.09

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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.