Home / 3,930.51-5,892.63-2,694.15

Finding the Fourth Proportional to 3,930.51, 5,892.63 and 2,694.15

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Solution

The fourth proportional to 3,930.51, 5,892.63 and 2,694.15 is: 4,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.51 : 5,892.63 = 2,694.15 : x
  2. Step 2: Convert to fraction form
    3,930.51/5,892.63 = 2,694.15/x
  3. Step 3: Cross multiply
    3,930.51x = 5,892.63 × 2,694.15
  4. Step 4: Simplify right side
    3,930.51x = 15,875,629.11
  5. Step 5: Solve for x
    x = 15,875,629.11/3,930.51
  6. Step 6: Final answer
    x = 4,039.08

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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.