Home / 3,286.56-4,930.62-1,095.30

Finding the Fourth Proportional to 3,286.56, 4,930.62 and 1,095.30

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Solution

The fourth proportional to 3,286.56, 4,930.62 and 1,095.30 is: 1,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.56 : 4,930.62 = 1,095.30 : x
  2. Step 2: Convert to fraction form
    3,286.56/4,930.62 = 1,095.30/x
  3. Step 3: Cross multiply
    3,286.56x = 4,930.62 × 1,095.30
  4. Step 4: Simplify right side
    3,286.56x = 5,400,508.09
  5. Step 5: Solve for x
    x = 5,400,508.09/3,286.56
  6. Step 6: Final answer
    x = 1,643.21

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1.5x scale

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.