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Finding the Fourth Proportional to 3,999.90, 6,002.73 and 2,027.28

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Solution

The fourth proportional to 3,999.90, 6,002.73 and 2,027.28 is: 3,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.90 : 6,002.73 = 2,027.28 : x
  2. Step 2: Convert to fraction form
    3,999.90/6,002.73 = 2,027.28/x
  3. Step 3: Cross multiply
    3,999.90x = 6,002.73 × 2,027.28
  4. Step 4: Simplify right side
    3,999.90x = 12,169,214.47
  5. Step 5: Solve for x
    x = 12,169,214.47/3,999.90
  6. Step 6: Final answer
    x = 3,042.38

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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.