Home / 3,629.92-5,452.08-3,109.72

Finding the Fourth Proportional to 3,629.92, 5,452.08 and 3,109.72

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Solution

The fourth proportional to 3,629.92, 5,452.08 and 3,109.72 is: 4,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.92 : 5,452.08 = 3,109.72 : x
  2. Step 2: Convert to fraction form
    3,629.92/5,452.08 = 3,109.72/x
  3. Step 3: Cross multiply
    3,629.92x = 5,452.08 × 3,109.72
  4. Step 4: Simplify right side
    3,629.92x = 16,954,442.22
  5. Step 5: Solve for x
    x = 16,954,442.22/3,629.92
  6. Step 6: Final answer
    x = 4,670.75

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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.