Home / 2,736.28-4,102.36-1,418.62

Finding the Fourth Proportional to 2,736.28, 4,102.36 and 1,418.62

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Solution

The fourth proportional to 2,736.28, 4,102.36 and 1,418.62 is: 2,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.28 : 4,102.36 = 1,418.62 : x
  2. Step 2: Convert to fraction form
    2,736.28/4,102.36 = 1,418.62/x
  3. Step 3: Cross multiply
    2,736.28x = 4,102.36 × 1,418.62
  4. Step 4: Simplify right side
    2,736.28x = 5,819,689.94
  5. Step 5: Solve for x
    x = 5,819,689.94/2,736.28
  6. Step 6: Final answer
    x = 2,126.86

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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.