Home / 2,727.78-4,092.39-1,168.02

Finding the Fourth Proportional to 2,727.78, 4,092.39 and 1,168.02

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Solution

The fourth proportional to 2,727.78, 4,092.39 and 1,168.02 is: 1,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.78 : 4,092.39 = 1,168.02 : x
  2. Step 2: Convert to fraction form
    2,727.78/4,092.39 = 1,168.02/x
  3. Step 3: Cross multiply
    2,727.78x = 4,092.39 × 1,168.02
  4. Step 4: Simplify right side
    2,727.78x = 4,779,993.37
  5. Step 5: Solve for x
    x = 4,779,993.37/2,727.78
  6. Step 6: Final answer
    x = 1,752.34

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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.