Home / 3,745.80-5,607.82-2,181.03

Finding the Fourth Proportional to 3,745.80, 5,607.82 and 2,181.03

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Solution

The fourth proportional to 3,745.80, 5,607.82 and 2,181.03 is: 3,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.80 : 5,607.82 = 2,181.03 : x
  2. Step 2: Convert to fraction form
    3,745.80/5,607.82 = 2,181.03/x
  3. Step 3: Cross multiply
    3,745.80x = 5,607.82 × 2,181.03
  4. Step 4: Simplify right side
    3,745.80x = 12,230,823.65
  5. Step 5: Solve for x
    x = 12,230,823.65/3,745.80
  6. Step 6: Final answer
    x = 3,265.21

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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.