Home / 3,297.56-4,947.36-1,107.86

Finding the Fourth Proportional to 3,297.56, 4,947.36 and 1,107.86

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Solution

The fourth proportional to 3,297.56, 4,947.36 and 1,107.86 is: 1,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.56 : 4,947.36 = 1,107.86 : x
  2. Step 2: Convert to fraction form
    3,297.56/4,947.36 = 1,107.86/x
  3. Step 3: Cross multiply
    3,297.56x = 4,947.36 × 1,107.86
  4. Step 4: Simplify right side
    3,297.56x = 5,480,982.25
  5. Step 5: Solve for x
    x = 5,480,982.25/3,297.56
  6. Step 6: Final answer
    x = 1,662.13

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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.