Home / 3,406.20-5,110.74-2,090.04

Finding the Fourth Proportional to 3,406.20, 5,110.74 and 2,090.04

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Solution

The fourth proportional to 3,406.20, 5,110.74 and 2,090.04 is: 3,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.20 : 5,110.74 = 2,090.04 : x
  2. Step 2: Convert to fraction form
    3,406.20/5,110.74 = 2,090.04/x
  3. Step 3: Cross multiply
    3,406.20x = 5,110.74 × 2,090.04
  4. Step 4: Simplify right side
    3,406.20x = 10,681,651.03
  5. Step 5: Solve for x
    x = 10,681,651.03/3,406.20
  6. Step 6: Final answer
    x = 3,135.94

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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.