Home / 3,216.75-4,825.70-1,137.96

Finding the Fourth Proportional to 3,216.75, 4,825.70 and 1,137.96

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Solution

The fourth proportional to 3,216.75, 4,825.70 and 1,137.96 is: 1,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.75 : 4,825.70 = 1,137.96 : x
  2. Step 2: Convert to fraction form
    3,216.75/4,825.70 = 1,137.96/x
  3. Step 3: Cross multiply
    3,216.75x = 4,825.70 × 1,137.96
  4. Step 4: Simplify right side
    3,216.75x = 5,491,453.57
  5. Step 5: Solve for x
    x = 5,491,453.57/3,216.75
  6. Step 6: Final answer
    x = 1,707.14

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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.