Home / 3,427.48-5,131.14-2,609.08

Finding the Fourth Proportional to 3,427.48, 5,131.14 and 2,609.08

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Solution

The fourth proportional to 3,427.48, 5,131.14 and 2,609.08 is: 3,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.48 : 5,131.14 = 2,609.08 : x
  2. Step 2: Convert to fraction form
    3,427.48/5,131.14 = 2,609.08/x
  3. Step 3: Cross multiply
    3,427.48x = 5,131.14 × 2,609.08
  4. Step 4: Simplify right side
    3,427.48x = 13,387,554.75
  5. Step 5: Solve for x
    x = 13,387,554.75/3,427.48
  6. Step 6: Final answer
    x = 3,905.95

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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.