Home / 3,100.70-4,645.11-2,996.48

Finding the Fourth Proportional to 3,100.70, 4,645.11 and 2,996.48

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Solution

The fourth proportional to 3,100.70, 4,645.11 and 2,996.48 is: 4,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.70 : 4,645.11 = 2,996.48 : x
  2. Step 2: Convert to fraction form
    3,100.70/4,645.11 = 2,996.48/x
  3. Step 3: Cross multiply
    3,100.70x = 4,645.11 × 2,996.48
  4. Step 4: Simplify right side
    3,100.70x = 13,918,979.21
  5. Step 5: Solve for x
    x = 13,918,979.21/3,100.70
  6. Step 6: Final answer
    x = 4,488.98

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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.