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Finding the Fourth Proportional to 4,001.84, 5,998.44 and 1,918.88

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Solution

The fourth proportional to 4,001.84, 5,998.44 and 1,918.88 is: 2,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.84 : 5,998.44 = 1,918.88 : x
  2. Step 2: Convert to fraction form
    4,001.84/5,998.44 = 1,918.88/x
  3. Step 3: Cross multiply
    4,001.84x = 5,998.44 × 1,918.88
  4. Step 4: Simplify right side
    4,001.84x = 11,510,286.55
  5. Step 5: Solve for x
    x = 11,510,286.55/4,001.84
  6. Step 6: Final answer
    x = 2,876.25

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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.