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Finding the Fourth Proportional to 3,837.87, 5,756.81 and 1,241.01

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Solution

The fourth proportional to 3,837.87, 5,756.81 and 1,241.01 is: 1,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.87 : 5,756.81 = 1,241.01 : x
  2. Step 2: Convert to fraction form
    3,837.87/5,756.81 = 1,241.01/x
  3. Step 3: Cross multiply
    3,837.87x = 5,756.81 × 1,241.01
  4. Step 4: Simplify right side
    3,837.87x = 7,144,252.57
  5. Step 5: Solve for x
    x = 7,144,252.57/3,837.87
  6. Step 6: Final answer
    x = 1,861.52

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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.