Home / 3,745.08-5,169.96-2,172.87

Finding the Fourth Proportional to 3,745.08, 5,169.96 and 2,172.87

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Solution

The fourth proportional to 3,745.08, 5,169.96 and 2,172.87 is: 2,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.08 : 5,169.96 = 2,172.87 : x
  2. Step 2: Convert to fraction form
    3,745.08/5,169.96 = 2,172.87/x
  3. Step 3: Cross multiply
    3,745.08x = 5,169.96 × 2,172.87
  4. Step 4: Simplify right side
    3,745.08x = 11,233,650.99
  5. Step 5: Solve for x
    x = 11,233,650.99/3,745.08
  6. Step 6: Final answer
    x = 2,999.58

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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.