Home / 2,748.14-4,122.20-1,825.49

Finding the Fourth Proportional to 2,748.14, 4,122.20 and 1,825.49

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Solution

The fourth proportional to 2,748.14, 4,122.20 and 1,825.49 is: 2,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.14 : 4,122.20 = 1,825.49 : x
  2. Step 2: Convert to fraction form
    2,748.14/4,122.20 = 1,825.49/x
  3. Step 3: Cross multiply
    2,748.14x = 4,122.20 × 1,825.49
  4. Step 4: Simplify right side
    2,748.14x = 7,525,049.75
  5. Step 5: Solve for x
    x = 7,525,049.75/2,748.14
  6. Step 6: Final answer
    x = 2,738.24

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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.