Home / 3,487.26-5,227.20-2,170.98

Finding the Fourth Proportional to 3,487.26, 5,227.20 and 2,170.98

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Solution

The fourth proportional to 3,487.26, 5,227.20 and 2,170.98 is: 3,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.26 : 5,227.20 = 2,170.98 : x
  2. Step 2: Convert to fraction form
    3,487.26/5,227.20 = 2,170.98/x
  3. Step 3: Cross multiply
    3,487.26x = 5,227.20 × 2,170.98
  4. Step 4: Simplify right side
    3,487.26x = 11,348,146.66
  5. Step 5: Solve for x
    x = 11,348,146.66/3,487.26
  6. Step 6: Final answer
    x = 3,254.17

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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.