Home / 2,783.32-4,175.26-808.97

Finding the Fourth Proportional to 2,783.32, 4,175.26 and 808.97

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Solution

The fourth proportional to 2,783.32, 4,175.26 and 808.97 is: 1,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.32 : 4,175.26 = 808.97 : x
  2. Step 2: Convert to fraction form
    2,783.32/4,175.26 = 808.97/x
  3. Step 3: Cross multiply
    2,783.32x = 4,175.26 × 808.97
  4. Step 4: Simplify right side
    2,783.32x = 3,377,652.15
  5. Step 5: Solve for x
    x = 3,377,652.15/2,783.32
  6. Step 6: Final answer
    x = 1,213.53

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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.