Home / 3,612.21-5,418.33-2,956.11

Finding the Fourth Proportional to 3,612.21, 5,418.33 and 2,956.11

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Solution

The fourth proportional to 3,612.21, 5,418.33 and 2,956.11 is: 4,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.21 : 5,418.33 = 2,956.11 : x
  2. Step 2: Convert to fraction form
    3,612.21/5,418.33 = 2,956.11/x
  3. Step 3: Cross multiply
    3,612.21x = 5,418.33 × 2,956.11
  4. Step 4: Simplify right side
    3,612.21x = 16,017,179.50
  5. Step 5: Solve for x
    x = 16,017,179.50/3,612.21
  6. Step 6: Final answer
    x = 4,434.18

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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.