Home / 2,608.25-3,911.15-1,512.92

Finding the Fourth Proportional to 2,608.25, 3,911.15 and 1,512.92

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Solution

The fourth proportional to 2,608.25, 3,911.15 and 1,512.92 is: 2,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.25 : 3,911.15 = 1,512.92 : x
  2. Step 2: Convert to fraction form
    2,608.25/3,911.15 = 1,512.92/x
  3. Step 3: Cross multiply
    2,608.25x = 3,911.15 × 1,512.92
  4. Step 4: Simplify right side
    2,608.25x = 5,917,270.62
  5. Step 5: Solve for x
    x = 5,917,270.62/2,608.25
  6. Step 6: Final answer
    x = 2,268.68

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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.