Home / 3,286.92-4,930.38-1,095.51

Finding the Fourth Proportional to 3,286.92, 4,930.38 and 1,095.51

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Solution

The fourth proportional to 3,286.92, 4,930.38 and 1,095.51 is: 1,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.92 : 4,930.38 = 1,095.51 : x
  2. Step 2: Convert to fraction form
    3,286.92/4,930.38 = 1,095.51/x
  3. Step 3: Cross multiply
    3,286.92x = 4,930.38 × 1,095.51
  4. Step 4: Simplify right side
    3,286.92x = 5,401,280.59
  5. Step 5: Solve for x
    x = 5,401,280.59/3,286.92
  6. Step 6: Final answer
    x = 1,643.27

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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.