Home / 2,278.28-3,418.27-892.60

Finding the Fourth Proportional to 2,278.28, 3,418.27 and 892.60

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Solution

The fourth proportional to 2,278.28, 3,418.27 and 892.60 is: 1,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.28 : 3,418.27 = 892.60 : x
  2. Step 2: Convert to fraction form
    2,278.28/3,418.27 = 892.60/x
  3. Step 3: Cross multiply
    2,278.28x = 3,418.27 × 892.60
  4. Step 4: Simplify right side
    2,278.28x = 3,051,147.80
  5. Step 5: Solve for x
    x = 3,051,147.80/2,278.28
  6. Step 6: Final answer
    x = 1,339.23

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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.