Home / 2,844.32-4,267.60-896.80

Finding the Fourth Proportional to 2,844.32, 4,267.60 and 896.80

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Solution

The fourth proportional to 2,844.32, 4,267.60 and 896.80 is: 1,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.32 : 4,267.60 = 896.80 : x
  2. Step 2: Convert to fraction form
    2,844.32/4,267.60 = 896.80/x
  3. Step 3: Cross multiply
    2,844.32x = 4,267.60 × 896.80
  4. Step 4: Simplify right side
    2,844.32x = 3,827,183.68
  5. Step 5: Solve for x
    x = 3,827,183.68/2,844.32
  6. Step 6: Final answer
    x = 1,345.55

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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.