Home / 3,809.19-5,716.32-1,344

Finding the Fourth Proportional to 3,809.19, 5,716.32 and 1,344

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Solution

The fourth proportional to 3,809.19, 5,716.32 and 1,344 is: 2,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.19 : 5,716.32 = 1,344 : x
  2. Step 2: Convert to fraction form
    3,809.19/5,716.32 = 1,344/x
  3. Step 3: Cross multiply
    3,809.19x = 5,716.32 × 1,344
  4. Step 4: Simplify right side
    3,809.19x = 7,682,734.08
  5. Step 5: Solve for x
    x = 7,682,734.08/3,809.19
  6. Step 6: Final answer
    x = 2,016.89

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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.