Home / 2,845.44-4,268.28-897.78

Finding the Fourth Proportional to 2,845.44, 4,268.28 and 897.78

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Solution

The fourth proportional to 2,845.44, 4,268.28 and 897.78 is: 1,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.44 : 4,268.28 = 897.78 : x
  2. Step 2: Convert to fraction form
    2,845.44/4,268.28 = 897.78/x
  3. Step 3: Cross multiply
    2,845.44x = 4,268.28 × 897.78
  4. Step 4: Simplify right side
    2,845.44x = 3,831,976.42
  5. Step 5: Solve for x
    x = 3,831,976.42/2,845.44
  6. Step 6: Final answer
    x = 1,346.71

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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.