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Finding the Fourth Proportional to 3,998.75, 6,000.29 and 1,946.75

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Solution

The fourth proportional to 3,998.75, 6,000.29 and 1,946.75 is: 2,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.75 : 6,000.29 = 1,946.75 : x
  2. Step 2: Convert to fraction form
    3,998.75/6,000.29 = 1,946.75/x
  3. Step 3: Cross multiply
    3,998.75x = 6,000.29 × 1,946.75
  4. Step 4: Simplify right side
    3,998.75x = 11,681,054.82
  5. Step 5: Solve for x
    x = 11,681,054.82/3,998.75
  6. Step 6: Final answer
    x = 2,921.18

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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.