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Finding the Fourth Proportional to 3,998.41, 5,999.72 and 2,835.91

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Solution

The fourth proportional to 3,998.41, 5,999.72 and 2,835.91 is: 4,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.41 : 5,999.72 = 2,835.91 : x
  2. Step 2: Convert to fraction form
    3,998.41/5,999.72 = 2,835.91/x
  3. Step 3: Cross multiply
    3,998.41x = 5,999.72 × 2,835.91
  4. Step 4: Simplify right side
    3,998.41x = 17,014,675.22
  5. Step 5: Solve for x
    x = 17,014,675.22/3,998.41
  6. Step 6: Final answer
    x = 4,255.36

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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.