Home / 3,745.09-5,615.90-2,185.54

Finding the Fourth Proportional to 3,745.09, 5,615.90 and 2,185.54

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Solution

The fourth proportional to 3,745.09, 5,615.90 and 2,185.54 is: 3,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.09 : 5,615.90 = 2,185.54 : x
  2. Step 2: Convert to fraction form
    3,745.09/5,615.90 = 2,185.54/x
  3. Step 3: Cross multiply
    3,745.09x = 5,615.90 × 2,185.54
  4. Step 4: Simplify right side
    3,745.09x = 12,273,763.16
  5. Step 5: Solve for x
    x = 12,273,763.16/3,745.09
  6. Step 6: Final answer
    x = 3,277.29

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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.