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Finding the Fourth Proportional to 3,998.46, 6,000.39 and 1,401.42

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Solution

The fourth proportional to 3,998.46, 6,000.39 and 1,401.42 is: 2,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.46 : 6,000.39 = 1,401.42 : x
  2. Step 2: Convert to fraction form
    3,998.46/6,000.39 = 1,401.42/x
  3. Step 3: Cross multiply
    3,998.46x = 6,000.39 × 1,401.42
  4. Step 4: Simplify right side
    3,998.46x = 8,409,066.55
  5. Step 5: Solve for x
    x = 8,409,066.55/3,998.46
  6. Step 6: Final answer
    x = 2,103.08

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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.