Home / 2,754.18-3,800.82-1,512.18

Finding the Fourth Proportional to 2,754.18, 3,800.82 and 1,512.18

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Solution

The fourth proportional to 2,754.18, 3,800.82 and 1,512.18 is: 2,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.18 : 3,800.82 = 1,512.18 : x
  2. Step 2: Convert to fraction form
    2,754.18/3,800.82 = 1,512.18/x
  3. Step 3: Cross multiply
    2,754.18x = 3,800.82 × 1,512.18
  4. Step 4: Simplify right side
    2,754.18x = 5,747,523.99
  5. Step 5: Solve for x
    x = 5,747,523.99/2,754.18
  6. Step 6: Final answer
    x = 2,086.84

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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.