Home / 3,216.35-4,824.62-1,107.95

Finding the Fourth Proportional to 3,216.35, 4,824.62 and 1,107.95

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Solution

The fourth proportional to 3,216.35, 4,824.62 and 1,107.95 is: 1,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.35 : 4,824.62 = 1,107.95 : x
  2. Step 2: Convert to fraction form
    3,216.35/4,824.62 = 1,107.95/x
  3. Step 3: Cross multiply
    3,216.35x = 4,824.62 × 1,107.95
  4. Step 4: Simplify right side
    3,216.35x = 5,345,408.07
  5. Step 5: Solve for x
    x = 5,345,408.07/3,216.35
  6. Step 6: Final answer
    x = 1,661.95

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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.