Home / 3,839.16-5,757.36-1,647.24

Finding the Fourth Proportional to 3,839.16, 5,757.36 and 1,647.24

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Solution

The fourth proportional to 3,839.16, 5,757.36 and 1,647.24 is: 2,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.16 : 5,757.36 = 1,647.24 : x
  2. Step 2: Convert to fraction form
    3,839.16/5,757.36 = 1,647.24/x
  3. Step 3: Cross multiply
    3,839.16x = 5,757.36 × 1,647.24
  4. Step 4: Simplify right side
    3,839.16x = 9,483,753.69
  5. Step 5: Solve for x
    x = 9,483,753.69/3,839.16
  6. Step 6: Final answer
    x = 2,470.27

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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.