Home / 3,839.68-5,299.32-2,707.12

Finding the Fourth Proportional to 3,839.68, 5,299.32 and 2,707.12

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Solution

The fourth proportional to 3,839.68, 5,299.32 and 2,707.12 is: 3,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.68 : 5,299.32 = 2,707.12 : x
  2. Step 2: Convert to fraction form
    3,839.68/5,299.32 = 2,707.12/x
  3. Step 3: Cross multiply
    3,839.68x = 5,299.32 × 2,707.12
  4. Step 4: Simplify right side
    3,839.68x = 14,345,895.16
  5. Step 5: Solve for x
    x = 14,345,895.16/3,839.68
  6. Step 6: Final answer
    x = 3,736.22

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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.