Home / 2,727.46-4,092.41-1,428.63

Finding the Fourth Proportional to 2,727.46, 4,092.41 and 1,428.63

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Solution

The fourth proportional to 2,727.46, 4,092.41 and 1,428.63 is: 2,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.46 : 4,092.41 = 1,428.63 : x
  2. Step 2: Convert to fraction form
    2,727.46/4,092.41 = 1,428.63/x
  3. Step 3: Cross multiply
    2,727.46x = 4,092.41 × 1,428.63
  4. Step 4: Simplify right side
    2,727.46x = 5,846,539.70
  5. Step 5: Solve for x
    x = 5,846,539.70/2,727.46
  6. Step 6: Final answer
    x = 2,143.58

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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.