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Finding the Fourth Proportional to 3,855.49, 5,783.24 and 2,313.25

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Solution

The fourth proportional to 3,855.49, 5,783.24 and 2,313.25 is: 3,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.49 : 5,783.24 = 2,313.25 : x
  2. Step 2: Convert to fraction form
    3,855.49/5,783.24 = 2,313.25/x
  3. Step 3: Cross multiply
    3,855.49x = 5,783.24 × 2,313.25
  4. Step 4: Simplify right side
    3,855.49x = 13,378,079.93
  5. Step 5: Solve for x
    x = 13,378,079.93/3,855.49
  6. Step 6: Final answer
    x = 3,469.88

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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.