Home / 3,844.60-5,767.62-1,247.56

Finding the Fourth Proportional to 3,844.60, 5,767.62 and 1,247.56

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Solution

The fourth proportional to 3,844.60, 5,767.62 and 1,247.56 is: 1,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.60 : 5,767.62 = 1,247.56 : x
  2. Step 2: Convert to fraction form
    3,844.60/5,767.62 = 1,247.56/x
  3. Step 3: Cross multiply
    3,844.60x = 5,767.62 × 1,247.56
  4. Step 4: Simplify right side
    3,844.60x = 7,195,452.01
  5. Step 5: Solve for x
    x = 7,195,452.01/3,844.60
  6. Step 6: Final answer
    x = 1,871.57

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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.