Home / 3,990.44-5,986.88-2,044.02

Finding the Fourth Proportional to 3,990.44, 5,986.88 and 2,044.02

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Solution

The fourth proportional to 3,990.44, 5,986.88 and 2,044.02 is: 3,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.44 : 5,986.88 = 2,044.02 : x
  2. Step 2: Convert to fraction form
    3,990.44/5,986.88 = 2,044.02/x
  3. Step 3: Cross multiply
    3,990.44x = 5,986.88 × 2,044.02
  4. Step 4: Simplify right side
    3,990.44x = 12,237,302.46
  5. Step 5: Solve for x
    x = 12,237,302.46/3,990.44
  6. Step 6: Final answer
    x = 3,066.65

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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.