Home / 3,956.18-5,929.07-2,911.29

Finding the Fourth Proportional to 3,956.18, 5,929.07 and 2,911.29

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Solution

The fourth proportional to 3,956.18, 5,929.07 and 2,911.29 is: 4,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.18 : 5,929.07 = 2,911.29 : x
  2. Step 2: Convert to fraction form
    3,956.18/5,929.07 = 2,911.29/x
  3. Step 3: Cross multiply
    3,956.18x = 5,929.07 × 2,911.29
  4. Step 4: Simplify right side
    3,956.18x = 17,261,212.55
  5. Step 5: Solve for x
    x = 17,261,212.55/3,956.18
  6. Step 6: Final answer
    x = 4,363.11

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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.