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Finding the Fourth Proportional to 3,289.92, 4,942.08 and 2,674.56

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Solution

The fourth proportional to 3,289.92, 4,942.08 and 2,674.56 is: 4,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.92 : 4,942.08 = 2,674.56 : x
  2. Step 2: Convert to fraction form
    3,289.92/4,942.08 = 2,674.56/x
  3. Step 3: Cross multiply
    3,289.92x = 4,942.08 × 2,674.56
  4. Step 4: Simplify right side
    3,289.92x = 13,217,889.48
  5. Step 5: Solve for x
    x = 13,217,889.48/3,289.92
  6. Step 6: Final answer
    x = 4,017.69

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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.