Home / 3,459.14-5,188.70-2,072.90

Finding the Fourth Proportional to 3,459.14, 5,188.70 and 2,072.90

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Solution

The fourth proportional to 3,459.14, 5,188.70 and 2,072.90 is: 3,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.14 : 5,188.70 = 2,072.90 : x
  2. Step 2: Convert to fraction form
    3,459.14/5,188.70 = 2,072.90/x
  3. Step 3: Cross multiply
    3,459.14x = 5,188.70 × 2,072.90
  4. Step 4: Simplify right side
    3,459.14x = 10,755,656.23
  5. Step 5: Solve for x
    x = 10,755,656.23/3,459.14
  6. Step 6: Final answer
    x = 3,109.34

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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.