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Finding the Fourth Proportional to 3,960.24, 5,942.42 and 2,873.57

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Solution

The fourth proportional to 3,960.24, 5,942.42 and 2,873.57 is: 4,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.24 : 5,942.42 = 2,873.57 : x
  2. Step 2: Convert to fraction form
    3,960.24/5,942.42 = 2,873.57/x
  3. Step 3: Cross multiply
    3,960.24x = 5,942.42 × 2,873.57
  4. Step 4: Simplify right side
    3,960.24x = 17,075,926.54
  5. Step 5: Solve for x
    x = 17,075,926.54/3,960.24
  6. Step 6: Final answer
    x = 4,311.85

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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.