Home / 3,837.96-5,755.58-1,338.51

Finding the Fourth Proportional to 3,837.96, 5,755.58 and 1,338.51

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Solution

The fourth proportional to 3,837.96, 5,755.58 and 1,338.51 is: 2,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.96 : 5,755.58 = 1,338.51 : x
  2. Step 2: Convert to fraction form
    3,837.96/5,755.58 = 1,338.51/x
  3. Step 3: Cross multiply
    3,837.96x = 5,755.58 × 1,338.51
  4. Step 4: Simplify right side
    3,837.96x = 7,703,894.69
  5. Step 5: Solve for x
    x = 7,703,894.69/3,837.96
  6. Step 6: Final answer
    x = 2,007.29

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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.