Home / 3,837.74-5,758.62-1,889.68

Finding the Fourth Proportional to 3,837.74, 5,758.62 and 1,889.68

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Solution

The fourth proportional to 3,837.74, 5,758.62 and 1,889.68 is: 2,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.74 : 5,758.62 = 1,889.68 : x
  2. Step 2: Convert to fraction form
    3,837.74/5,758.62 = 1,889.68/x
  3. Step 3: Cross multiply
    3,837.74x = 5,758.62 × 1,889.68
  4. Step 4: Simplify right side
    3,837.74x = 10,881,949.04
  5. Step 5: Solve for x
    x = 10,881,949.04/3,837.74
  6. Step 6: Final answer
    x = 2,835.51

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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.