Home / 2,730.14-4,092.46-1,908.20

Finding the Fourth Proportional to 2,730.14, 4,092.46 and 1,908.20

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Solution

The fourth proportional to 2,730.14, 4,092.46 and 1,908.20 is: 2,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.14 : 4,092.46 = 1,908.20 : x
  2. Step 2: Convert to fraction form
    2,730.14/4,092.46 = 1,908.20/x
  3. Step 3: Cross multiply
    2,730.14x = 4,092.46 × 1,908.20
  4. Step 4: Simplify right side
    2,730.14x = 7,809,232.17
  5. Step 5: Solve for x
    x = 7,809,232.17/2,730.14
  6. Step 6: Final answer
    x = 2,860.38

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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.