Home / 3,839.10-5,756.49-1,646.70

Finding the Fourth Proportional to 3,839.10, 5,756.49 and 1,646.70

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Solution

The fourth proportional to 3,839.10, 5,756.49 and 1,646.70 is: 2,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.10 : 5,756.49 = 1,646.70 : x
  2. Step 2: Convert to fraction form
    3,839.10/5,756.49 = 1,646.70/x
  3. Step 3: Cross multiply
    3,839.10x = 5,756.49 × 1,646.70
  4. Step 4: Simplify right side
    3,839.10x = 9,479,212.08
  5. Step 5: Solve for x
    x = 9,479,212.08/3,839.10
  6. Step 6: Final answer
    x = 2,469.12

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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.