Home / 3,829.96-5,284.66-2,151.44

Finding the Fourth Proportional to 3,829.96, 5,284.66 and 2,151.44

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Solution

The fourth proportional to 3,829.96, 5,284.66 and 2,151.44 is: 2,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.96 : 5,284.66 = 2,151.44 : x
  2. Step 2: Convert to fraction form
    3,829.96/5,284.66 = 2,151.44/x
  3. Step 3: Cross multiply
    3,829.96x = 5,284.66 × 2,151.44
  4. Step 4: Simplify right side
    3,829.96x = 11,369,628.91
  5. Step 5: Solve for x
    x = 11,369,628.91/3,829.96
  6. Step 6: Final answer
    x = 2,968.60

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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.