Home / 2,727.54-4,092.32-1,428.09

Finding the Fourth Proportional to 2,727.54, 4,092.32 and 1,428.09

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Solution

The fourth proportional to 2,727.54, 4,092.32 and 1,428.09 is: 2,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.54 : 4,092.32 = 1,428.09 : x
  2. Step 2: Convert to fraction form
    2,727.54/4,092.32 = 1,428.09/x
  3. Step 3: Cross multiply
    2,727.54x = 4,092.32 × 1,428.09
  4. Step 4: Simplify right side
    2,727.54x = 5,844,204.36
  5. Step 5: Solve for x
    x = 5,844,204.36/2,727.54
  6. Step 6: Final answer
    x = 2,142.67

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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.