Home / 4,081.40-5,629.20-2,753

Finding the Fourth Proportional to 4,081.40, 5,629.20 and 2,753

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Solution

The fourth proportional to 4,081.40, 5,629.20 and 2,753 is: 3,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.40 : 5,629.20 = 2,753 : x
  2. Step 2: Convert to fraction form
    4,081.40/5,629.20 = 2,753/x
  3. Step 3: Cross multiply
    4,081.40x = 5,629.20 × 2,753
  4. Step 4: Simplify right side
    4,081.40x = 15,497,187.60
  5. Step 5: Solve for x
    x = 15,497,187.60/4,081.40
  6. Step 6: Final answer
    x = 3,797.03

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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.