Home / 2,824.35-3,893.52-1,982.43

Finding the Fourth Proportional to 2,824.35, 3,893.52 and 1,982.43

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Solution

The fourth proportional to 2,824.35, 3,893.52 and 1,982.43 is: 2,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.35 : 3,893.52 = 1,982.43 : x
  2. Step 2: Convert to fraction form
    2,824.35/3,893.52 = 1,982.43/x
  3. Step 3: Cross multiply
    2,824.35x = 3,893.52 × 1,982.43
  4. Step 4: Simplify right side
    2,824.35x = 7,718,630.85
  5. Step 5: Solve for x
    x = 7,718,630.85/2,824.35
  6. Step 6: Final answer
    x = 2,732.89

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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.