Home / 3,455.97-5,183.96-1,147.47

Finding the Fourth Proportional to 3,455.97, 5,183.96 and 1,147.47

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Solution

The fourth proportional to 3,455.97, 5,183.96 and 1,147.47 is: 1,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.97 : 5,183.96 = 1,147.47 : x
  2. Step 2: Convert to fraction form
    3,455.97/5,183.96 = 1,147.47/x
  3. Step 3: Cross multiply
    3,455.97x = 5,183.96 × 1,147.47
  4. Step 4: Simplify right side
    3,455.97x = 5,948,450.11
  5. Step 5: Solve for x
    x = 5,948,450.11/3,455.97
  6. Step 6: Final answer
    x = 1,721.21

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Half scale
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Double scale
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Similar ratio
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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.