Home / 2,753.45-4,127.06-1,367.78

Finding the Fourth Proportional to 2,753.45, 4,127.06 and 1,367.78

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Solution

The fourth proportional to 2,753.45, 4,127.06 and 1,367.78 is: 2,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.45 : 4,127.06 = 1,367.78 : x
  2. Step 2: Convert to fraction form
    2,753.45/4,127.06 = 1,367.78/x
  3. Step 3: Cross multiply
    2,753.45x = 4,127.06 × 1,367.78
  4. Step 4: Simplify right side
    2,753.45x = 5,644,892.91
  5. Step 5: Solve for x
    x = 5,644,892.91/2,753.45
  6. Step 6: Final answer
    x = 2,050.12

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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.