Home / 3,839.16-5,757.51-1,646.49

Finding the Fourth Proportional to 3,839.16, 5,757.51 and 1,646.49

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Solution

The fourth proportional to 3,839.16, 5,757.51 and 1,646.49 is: 2,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.16 : 5,757.51 = 1,646.49 : x
  2. Step 2: Convert to fraction form
    3,839.16/5,757.51 = 1,646.49/x
  3. Step 3: Cross multiply
    3,839.16x = 5,757.51 × 1,646.49
  4. Step 4: Simplify right side
    3,839.16x = 9,479,682.64
  5. Step 5: Solve for x
    x = 9,479,682.64/3,839.16
  6. Step 6: Final answer
    x = 2,469.21

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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.