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Finding the Fourth Proportional to 3,998.70, 5,998.05 and 2,544.30

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Solution

The fourth proportional to 3,998.70, 5,998.05 and 2,544.30 is: 3,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.70 : 5,998.05 = 2,544.30 : x
  2. Step 2: Convert to fraction form
    3,998.70/5,998.05 = 2,544.30/x
  3. Step 3: Cross multiply
    3,998.70x = 5,998.05 × 2,544.30
  4. Step 4: Simplify right side
    3,998.70x = 15,260,838.62
  5. Step 5: Solve for x
    x = 15,260,838.62/3,998.70
  6. Step 6: Final answer
    x = 3,816.45

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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.