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Finding the Fourth Proportional to 3,918.92, 5,880.29 and 1,727.37

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Solution

The fourth proportional to 3,918.92, 5,880.29 and 1,727.37 is: 2,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.92 : 5,880.29 = 1,727.37 : x
  2. Step 2: Convert to fraction form
    3,918.92/5,880.29 = 1,727.37/x
  3. Step 3: Cross multiply
    3,918.92x = 5,880.29 × 1,727.37
  4. Step 4: Simplify right side
    3,918.92x = 10,157,427.90
  5. Step 5: Solve for x
    x = 10,157,427.90/3,918.92
  6. Step 6: Final answer
    x = 2,591.90

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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.