Home / 3,392.36-5,085.12-1,634.84

Finding the Fourth Proportional to 3,392.36, 5,085.12 and 1,634.84

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Solution

The fourth proportional to 3,392.36, 5,085.12 and 1,634.84 is: 2,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.36 : 5,085.12 = 1,634.84 : x
  2. Step 2: Convert to fraction form
    3,392.36/5,085.12 = 1,634.84/x
  3. Step 3: Cross multiply
    3,392.36x = 5,085.12 × 1,634.84
  4. Step 4: Simplify right side
    3,392.36x = 8,313,357.58
  5. Step 5: Solve for x
    x = 8,313,357.58/3,392.36
  6. Step 6: Final answer
    x = 2,450.61

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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.