Home / 3,844.45-5,764.77-1,247.05

Finding the Fourth Proportional to 3,844.45, 5,764.77 and 1,247.05

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Solution

The fourth proportional to 3,844.45, 5,764.77 and 1,247.05 is: 1,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.45 : 5,764.77 = 1,247.05 : x
  2. Step 2: Convert to fraction form
    3,844.45/5,764.77 = 1,247.05/x
  3. Step 3: Cross multiply
    3,844.45x = 5,764.77 × 1,247.05
  4. Step 4: Simplify right side
    3,844.45x = 7,188,956.43
  5. Step 5: Solve for x
    x = 7,188,956.43/3,844.45
  6. Step 6: Final answer
    x = 1,869.96

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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.