Home / 3,517.67-5,270.57-2,126.76

Finding the Fourth Proportional to 3,517.67, 5,270.57 and 2,126.76

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Solution

The fourth proportional to 3,517.67, 5,270.57 and 2,126.76 is: 3,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.67 : 5,270.57 = 2,126.76 : x
  2. Step 2: Convert to fraction form
    3,517.67/5,270.57 = 2,126.76/x
  3. Step 3: Cross multiply
    3,517.67x = 5,270.57 × 2,126.76
  4. Step 4: Simplify right side
    3,517.67x = 11,209,237.45
  5. Step 5: Solve for x
    x = 11,209,237.45/3,517.67
  6. Step 6: Final answer
    x = 3,186.55

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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.