Home / 3,828.28-5,743.85-2,607.20

Finding the Fourth Proportional to 3,828.28, 5,743.85 and 2,607.20

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Solution

The fourth proportional to 3,828.28, 5,743.85 and 2,607.20 is: 3,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.28 : 5,743.85 = 2,607.20 : x
  2. Step 2: Convert to fraction form
    3,828.28/5,743.85 = 2,607.20/x
  3. Step 3: Cross multiply
    3,828.28x = 5,743.85 × 2,607.20
  4. Step 4: Simplify right side
    3,828.28x = 14,975,352.68
  5. Step 5: Solve for x
    x = 14,975,352.68/3,828.28
  6. Step 6: Final answer
    x = 3,911.78

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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.