Home / 3,286.08-4,929.60-1,747.20

Finding the Fourth Proportional to 3,286.08, 4,929.60 and 1,747.20

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Solution

The fourth proportional to 3,286.08, 4,929.60 and 1,747.20 is: 2,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.08 : 4,929.60 = 1,747.20 : x
  2. Step 2: Convert to fraction form
    3,286.08/4,929.60 = 1,747.20/x
  3. Step 3: Cross multiply
    3,286.08x = 4,929.60 × 1,747.20
  4. Step 4: Simplify right side
    3,286.08x = 8,612,997.12
  5. Step 5: Solve for x
    x = 8,612,997.12/3,286.08
  6. Step 6: Final answer
    x = 2,621.06

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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.