Home / 3,929.11-5,891.19-2,079.07

Finding the Fourth Proportional to 3,929.11, 5,891.19 and 2,079.07

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Solution

The fourth proportional to 3,929.11, 5,891.19 and 2,079.07 is: 3,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.11 : 5,891.19 = 2,079.07 : x
  2. Step 2: Convert to fraction form
    3,929.11/5,891.19 = 2,079.07/x
  3. Step 3: Cross multiply
    3,929.11x = 5,891.19 × 2,079.07
  4. Step 4: Simplify right side
    3,929.11x = 12,248,196.39
  5. Step 5: Solve for x
    x = 12,248,196.39/3,929.11
  6. Step 6: Final answer
    x = 3,117.30

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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.