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Finding the Fourth Proportional to 3,999.79, 6,001.79 and 2,837.29

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Solution

The fourth proportional to 3,999.79, 6,001.79 and 2,837.29 is: 4,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.79 : 6,001.79 = 2,837.29 : x
  2. Step 2: Convert to fraction form
    3,999.79/6,001.79 = 2,837.29/x
  3. Step 3: Cross multiply
    3,999.79x = 6,001.79 × 2,837.29
  4. Step 4: Simplify right side
    3,999.79x = 17,028,818.75
  5. Step 5: Solve for x
    x = 17,028,818.75/3,999.79
  6. Step 6: Final answer
    x = 4,257.43

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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.