Home / 2,791.92-4,185.40-2,383.68

Finding the Fourth Proportional to 2,791.92, 4,185.40 and 2,383.68

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Solution

The fourth proportional to 2,791.92, 4,185.40 and 2,383.68 is: 3,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.92 : 4,185.40 = 2,383.68 : x
  2. Step 2: Convert to fraction form
    2,791.92/4,185.40 = 2,383.68/x
  3. Step 3: Cross multiply
    2,791.92x = 4,185.40 × 2,383.68
  4. Step 4: Simplify right side
    2,791.92x = 9,976,654.27
  5. Step 5: Solve for x
    x = 9,976,654.27/2,791.92
  6. Step 6: Final answer
    x = 3,573.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.