Home / 3,728.11-5,144.80-2,049.63

Finding the Fourth Proportional to 3,728.11, 5,144.80 and 2,049.63

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Solution

The fourth proportional to 3,728.11, 5,144.80 and 2,049.63 is: 2,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.11 : 5,144.80 = 2,049.63 : x
  2. Step 2: Convert to fraction form
    3,728.11/5,144.80 = 2,049.63/x
  3. Step 3: Cross multiply
    3,728.11x = 5,144.80 × 2,049.63
  4. Step 4: Simplify right side
    3,728.11x = 10,544,900.45
  5. Step 5: Solve for x
    x = 10,544,900.45/3,728.11
  6. Step 6: Final answer
    x = 2,828.48

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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.