Home / 3,942.29-5,913.43-2,705.95

Finding the Fourth Proportional to 3,942.29, 5,913.43 and 2,705.95

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Solution

The fourth proportional to 3,942.29, 5,913.43 and 2,705.95 is: 4,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.29 : 5,913.43 = 2,705.95 : x
  2. Step 2: Convert to fraction form
    3,942.29/5,913.43 = 2,705.95/x
  3. Step 3: Cross multiply
    3,942.29x = 5,913.43 × 2,705.95
  4. Step 4: Simplify right side
    3,942.29x = 16,001,440.21
  5. Step 5: Solve for x
    x = 16,001,440.21/3,942.29
  6. Step 6: Final answer
    x = 4,058.92

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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.