Home / 3,249.27-4,482.54-1,989.90

Finding the Fourth Proportional to 3,249.27, 4,482.54 and 1,989.90

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Solution

The fourth proportional to 3,249.27, 4,482.54 and 1,989.90 is: 2,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.27 : 4,482.54 = 1,989.90 : x
  2. Step 2: Convert to fraction form
    3,249.27/4,482.54 = 1,989.90/x
  3. Step 3: Cross multiply
    3,249.27x = 4,482.54 × 1,989.90
  4. Step 4: Simplify right side
    3,249.27x = 8,919,806.35
  5. Step 5: Solve for x
    x = 8,919,806.35/3,249.27
  6. Step 6: Final answer
    x = 2,745.17

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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.