Home / 3,845.80-5,763.91-1,995.83

Finding the Fourth Proportional to 3,845.80, 5,763.91 and 1,995.83

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Solution

The fourth proportional to 3,845.80, 5,763.91 and 1,995.83 is: 2,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.80 : 5,763.91 = 1,995.83 : x
  2. Step 2: Convert to fraction form
    3,845.80/5,763.91 = 1,995.83/x
  3. Step 3: Cross multiply
    3,845.80x = 5,763.91 × 1,995.83
  4. Step 4: Simplify right side
    3,845.80x = 11,503,784.50
  5. Step 5: Solve for x
    x = 11,503,784.50/3,845.80
  6. Step 6: Final answer
    x = 2,991.26

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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.