Home / 3,847.63-5,771.73-1,382.47

Finding the Fourth Proportional to 3,847.63, 5,771.73 and 1,382.47

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Solution

The fourth proportional to 3,847.63, 5,771.73 and 1,382.47 is: 2,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.63 : 5,771.73 = 1,382.47 : x
  2. Step 2: Convert to fraction form
    3,847.63/5,771.73 = 1,382.47/x
  3. Step 3: Cross multiply
    3,847.63x = 5,771.73 × 1,382.47
  4. Step 4: Simplify right side
    3,847.63x = 7,979,243.57
  5. Step 5: Solve for x
    x = 7,979,243.57/3,847.63
  6. Step 6: Final answer
    x = 2,073.81

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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.