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Finding the Fourth Proportional to 3,901, 5,383.38 and 2,245.96

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Solution

The fourth proportional to 3,901, 5,383.38 and 2,245.96 is: 3,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901 : 5,383.38 = 2,245.96 : x
  2. Step 2: Convert to fraction form
    3,901/5,383.38 = 2,245.96/x
  3. Step 3: Cross multiply
    3,901x = 5,383.38 × 2,245.96
  4. Step 4: Simplify right side
    3,901x = 12,090,856.14
  5. Step 5: Solve for x
    x = 12,090,856.14/3,901
  6. Step 6: Final answer
    x = 3,099.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.