Home / 2,827.44-4,243.32-1,185.30

Finding the Fourth Proportional to 2,827.44, 4,243.32 and 1,185.30

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Solution

The fourth proportional to 2,827.44, 4,243.32 and 1,185.30 is: 1,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.44 : 4,243.32 = 1,185.30 : x
  2. Step 2: Convert to fraction form
    2,827.44/4,243.32 = 1,185.30/x
  3. Step 3: Cross multiply
    2,827.44x = 4,243.32 × 1,185.30
  4. Step 4: Simplify right side
    2,827.44x = 5,029,607.20
  5. Step 5: Solve for x
    x = 5,029,607.20/2,827.44
  6. Step 6: Final answer
    x = 1,778.86

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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.