Home / 3,847.04-5,772.07-1,999.31

Finding the Fourth Proportional to 3,847.04, 5,772.07 and 1,999.31

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Solution

The fourth proportional to 3,847.04, 5,772.07 and 1,999.31 is: 2,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.04 : 5,772.07 = 1,999.31 : x
  2. Step 2: Convert to fraction form
    3,847.04/5,772.07 = 1,999.31/x
  3. Step 3: Cross multiply
    3,847.04x = 5,772.07 × 1,999.31
  4. Step 4: Simplify right side
    3,847.04x = 11,540,157.27
  5. Step 5: Solve for x
    x = 11,540,157.27/3,847.04
  6. Step 6: Final answer
    x = 2,999.75

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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.