Home / 3,971.16-5,949.99-2,799.09

Finding the Fourth Proportional to 3,971.16, 5,949.99 and 2,799.09

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Solution

The fourth proportional to 3,971.16, 5,949.99 and 2,799.09 is: 4,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.16 : 5,949.99 = 2,799.09 : x
  2. Step 2: Convert to fraction form
    3,971.16/5,949.99 = 2,799.09/x
  3. Step 3: Cross multiply
    3,971.16x = 5,949.99 × 2,799.09
  4. Step 4: Simplify right side
    3,971.16x = 16,654,557.51
  5. Step 5: Solve for x
    x = 16,654,557.51/3,971.16
  6. Step 6: Final answer
    x = 4,193.88

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1.5x scale

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.