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Finding the Fourth Proportional to 3,837.87, 5,754.96 and 1,339.01

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Solution

The fourth proportional to 3,837.87, 5,754.96 and 1,339.01 is: 2,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.87 : 5,754.96 = 1,339.01 : x
  2. Step 2: Convert to fraction form
    3,837.87/5,754.96 = 1,339.01/x
  3. Step 3: Cross multiply
    3,837.87x = 5,754.96 × 1,339.01
  4. Step 4: Simplify right side
    3,837.87x = 7,705,941.80
  5. Step 5: Solve for x
    x = 7,705,941.80/3,837.87
  6. Step 6: Final answer
    x = 2,007.87

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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.