Home / 2,278.62-3,418.77-892.94

Finding the Fourth Proportional to 2,278.62, 3,418.77 and 892.94

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Solution

The fourth proportional to 2,278.62, 3,418.77 and 892.94 is: 1,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.62 : 3,418.77 = 892.94 : x
  2. Step 2: Convert to fraction form
    2,278.62/3,418.77 = 892.94/x
  3. Step 3: Cross multiply
    2,278.62x = 3,418.77 × 892.94
  4. Step 4: Simplify right side
    2,278.62x = 3,052,739.39
  5. Step 5: Solve for x
    x = 3,052,739.39/2,278.62
  6. Step 6: Final answer
    x = 1,339.73

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1.5x scale

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.