Home / 3,427.56-5,131.20-2,609.04

Finding the Fourth Proportional to 3,427.56, 5,131.20 and 2,609.04

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Solution

The fourth proportional to 3,427.56, 5,131.20 and 2,609.04 is: 3,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.56 : 5,131.20 = 2,609.04 : x
  2. Step 2: Convert to fraction form
    3,427.56/5,131.20 = 2,609.04/x
  3. Step 3: Cross multiply
    3,427.56x = 5,131.20 × 2,609.04
  4. Step 4: Simplify right side
    3,427.56x = 13,387,506.05
  5. Step 5: Solve for x
    x = 13,387,506.05/3,427.56
  6. Step 6: Final answer
    x = 3,905.84

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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.