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Finding the Fourth Proportional to 3,998.46, 6,002.01 and 1,691.58

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Solution

The fourth proportional to 3,998.46, 6,002.01 and 1,691.58 is: 2,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.46 : 6,002.01 = 1,691.58 : x
  2. Step 2: Convert to fraction form
    3,998.46/6,002.01 = 1,691.58/x
  3. Step 3: Cross multiply
    3,998.46x = 6,002.01 × 1,691.58
  4. Step 4: Simplify right side
    3,998.46x = 10,152,880.08
  5. Step 5: Solve for x
    x = 10,152,880.08/3,998.46
  6. Step 6: Final answer
    x = 2,539.20

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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.