Home / 3,837.45-5,761.58-1,964.69

Finding the Fourth Proportional to 3,837.45, 5,761.58 and 1,964.69

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Solution

The fourth proportional to 3,837.45, 5,761.58 and 1,964.69 is: 2,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.45 : 5,761.58 = 1,964.69 : x
  2. Step 2: Convert to fraction form
    3,837.45/5,761.58 = 1,964.69/x
  3. Step 3: Cross multiply
    3,837.45x = 5,761.58 × 1,964.69
  4. Step 4: Simplify right side
    3,837.45x = 11,319,679.98
  5. Step 5: Solve for x
    x = 11,319,679.98/3,837.45
  6. Step 6: Final answer
    x = 2,949.79

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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.