Home / 3,391.82-4,679.39-2,065.04

Finding the Fourth Proportional to 3,391.82, 4,679.39 and 2,065.04

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Solution

The fourth proportional to 3,391.82, 4,679.39 and 2,065.04 is: 2,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.82 : 4,679.39 = 2,065.04 : x
  2. Step 2: Convert to fraction form
    3,391.82/4,679.39 = 2,065.04/x
  3. Step 3: Cross multiply
    3,391.82x = 4,679.39 × 2,065.04
  4. Step 4: Simplify right side
    3,391.82x = 9,663,109.29
  5. Step 5: Solve for x
    x = 9,663,109.29/3,391.82
  6. Step 6: Final answer
    x = 2,848.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.