Home / 3,847.33-5,772.97-1,999.92

Finding the Fourth Proportional to 3,847.33, 5,772.97 and 1,999.92

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Solution

The fourth proportional to 3,847.33, 5,772.97 and 1,999.92 is: 3,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.33 : 5,772.97 = 1,999.92 : x
  2. Step 2: Convert to fraction form
    3,847.33/5,772.97 = 1,999.92/x
  3. Step 3: Cross multiply
    3,847.33x = 5,772.97 × 1,999.92
  4. Step 4: Simplify right side
    3,847.33x = 11,545,502.31
  5. Step 5: Solve for x
    x = 11,545,502.31/3,847.33
  6. Step 6: Final answer
    x = 3,000.91

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1.5x scale

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.