Home / 2,644.47-3,963.87-1,181.61

Finding the Fourth Proportional to 2,644.47, 3,963.87 and 1,181.61

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Solution

The fourth proportional to 2,644.47, 3,963.87 and 1,181.61 is: 1,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.47 : 3,963.87 = 1,181.61 : x
  2. Step 2: Convert to fraction form
    2,644.47/3,963.87 = 1,181.61/x
  3. Step 3: Cross multiply
    2,644.47x = 3,963.87 × 1,181.61
  4. Step 4: Simplify right side
    2,644.47x = 4,683,748.43
  5. Step 5: Solve for x
    x = 4,683,748.43/2,644.47
  6. Step 6: Final answer
    x = 1,771.15

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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.