Home / 2,736.40-4,108.92-2,161.84

Finding the Fourth Proportional to 2,736.40, 4,108.92 and 2,161.84

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Solution

The fourth proportional to 2,736.40, 4,108.92 and 2,161.84 is: 3,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.40 : 4,108.92 = 2,161.84 : x
  2. Step 2: Convert to fraction form
    2,736.40/4,108.92 = 2,161.84/x
  3. Step 3: Cross multiply
    2,736.40x = 4,108.92 × 2,161.84
  4. Step 4: Simplify right side
    2,736.40x = 8,882,827.61
  5. Step 5: Solve for x
    x = 8,882,827.61/2,736.40
  6. Step 6: Final answer
    x = 3,246.17

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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.