Home / 3,992.20-5,984.61-2,040.10

Finding the Fourth Proportional to 3,992.20, 5,984.61 and 2,040.10

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Solution

The fourth proportional to 3,992.20, 5,984.61 and 2,040.10 is: 3,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.20 : 5,984.61 = 2,040.10 : x
  2. Step 2: Convert to fraction form
    3,992.20/5,984.61 = 2,040.10/x
  3. Step 3: Cross multiply
    3,992.20x = 5,984.61 × 2,040.10
  4. Step 4: Simplify right side
    3,992.20x = 12,209,202.86
  5. Step 5: Solve for x
    x = 12,209,202.86/3,992.20
  6. Step 6: Final answer
    x = 3,058.26

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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.