Home / 3,999.12-6,001.89-1,808.04

Finding the Fourth Proportional to 3,999.12, 6,001.89 and 1,808.04

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Solution

The fourth proportional to 3,999.12, 6,001.89 and 1,808.04 is: 2,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.12 : 6,001.89 = 1,808.04 : x
  2. Step 2: Convert to fraction form
    3,999.12/6,001.89 = 1,808.04/x
  3. Step 3: Cross multiply
    3,999.12x = 6,001.89 × 1,808.04
  4. Step 4: Simplify right side
    3,999.12x = 10,851,657.20
  5. Step 5: Solve for x
    x = 10,851,657.20/3,999.12
  6. Step 6: Final answer
    x = 2,713.51

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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.