Home / 3,453.11-5,182.30-2,531.03

Finding the Fourth Proportional to 3,453.11, 5,182.30 and 2,531.03

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Solution

The fourth proportional to 3,453.11, 5,182.30 and 2,531.03 is: 3,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.11 : 5,182.30 = 2,531.03 : x
  2. Step 2: Convert to fraction form
    3,453.11/5,182.30 = 2,531.03/x
  3. Step 3: Cross multiply
    3,453.11x = 5,182.30 × 2,531.03
  4. Step 4: Simplify right side
    3,453.11x = 13,116,553.45
  5. Step 5: Solve for x
    x = 13,116,553.45/3,453.11
  6. Step 6: Final answer
    x = 3,798.47

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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.