Home / 2,771.13-3,824.15-1,512.16

Finding the Fourth Proportional to 2,771.13, 3,824.15 and 1,512.16

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Solution

The fourth proportional to 2,771.13, 3,824.15 and 1,512.16 is: 2,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.13 : 3,824.15 = 1,512.16 : x
  2. Step 2: Convert to fraction form
    2,771.13/3,824.15 = 1,512.16/x
  3. Step 3: Cross multiply
    2,771.13x = 3,824.15 × 1,512.16
  4. Step 4: Simplify right side
    2,771.13x = 5,782,726.66
  5. Step 5: Solve for x
    x = 5,782,726.66/2,771.13
  6. Step 6: Final answer
    x = 2,086.78

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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.