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Finding the Fourth Proportional to 3,640.67, 5,449.73 and 2,941.52

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Solution

The fourth proportional to 3,640.67, 5,449.73 and 2,941.52 is: 4,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.67 : 5,449.73 = 2,941.52 : x
  2. Step 2: Convert to fraction form
    3,640.67/5,449.73 = 2,941.52/x
  3. Step 3: Cross multiply
    3,640.67x = 5,449.73 × 2,941.52
  4. Step 4: Simplify right side
    3,640.67x = 16,030,464.38
  5. Step 5: Solve for x
    x = 16,030,464.38/3,640.67
  6. Step 6: Final answer
    x = 4,403.16

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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.