Home / 3,729.12-5,589.40-2,086.44

Finding the Fourth Proportional to 3,729.12, 5,589.40 and 2,086.44

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Solution

The fourth proportional to 3,729.12, 5,589.40 and 2,086.44 is: 3,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.12 : 5,589.40 = 2,086.44 : x
  2. Step 2: Convert to fraction form
    3,729.12/5,589.40 = 2,086.44/x
  3. Step 3: Cross multiply
    3,729.12x = 5,589.40 × 2,086.44
  4. Step 4: Simplify right side
    3,729.12x = 11,661,947.74
  5. Step 5: Solve for x
    x = 11,661,947.74/3,729.12
  6. Step 6: Final answer
    x = 3,127.27

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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.