Home / 3,745.21-5,614.33-1,664.12

Finding the Fourth Proportional to 3,745.21, 5,614.33 and 1,664.12

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Solution

The fourth proportional to 3,745.21, 5,614.33 and 1,664.12 is: 2,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.21 : 5,614.33 = 1,664.12 : x
  2. Step 2: Convert to fraction form
    3,745.21/5,614.33 = 1,664.12/x
  3. Step 3: Cross multiply
    3,745.21x = 5,614.33 × 1,664.12
  4. Step 4: Simplify right side
    3,745.21x = 9,342,918.84
  5. Step 5: Solve for x
    x = 9,342,918.84/3,745.21
  6. Step 6: Final answer
    x = 2,494.63

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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.