Home / 3,188.79-4,399.32-2,351.49

Finding the Fourth Proportional to 3,188.79, 4,399.32 and 2,351.49

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Solution

The fourth proportional to 3,188.79, 4,399.32 and 2,351.49 is: 3,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.79 : 4,399.32 = 2,351.49 : x
  2. Step 2: Convert to fraction form
    3,188.79/4,399.32 = 2,351.49/x
  3. Step 3: Cross multiply
    3,188.79x = 4,399.32 × 2,351.49
  4. Step 4: Simplify right side
    3,188.79x = 10,344,934.99
  5. Step 5: Solve for x
    x = 10,344,934.99/3,188.79
  6. Step 6: Final answer
    x = 3,244.16

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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.