Home / 3,999.80-5,519.37-2,583.55

Finding the Fourth Proportional to 3,999.80, 5,519.37 and 2,583.55

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Solution

The fourth proportional to 3,999.80, 5,519.37 and 2,583.55 is: 3,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.80 : 5,519.37 = 2,583.55 : x
  2. Step 2: Convert to fraction form
    3,999.80/5,519.37 = 2,583.55/x
  3. Step 3: Cross multiply
    3,999.80x = 5,519.37 × 2,583.55
  4. Step 4: Simplify right side
    3,999.80x = 14,259,553.90
  5. Step 5: Solve for x
    x = 14,259,553.90/3,999.80
  6. Step 6: Final answer
    x = 3,565.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.