Home / 3,753.44-5,180.19-2,181.53

Finding the Fourth Proportional to 3,753.44, 5,180.19 and 2,181.53

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Solution

The fourth proportional to 3,753.44, 5,180.19 and 2,181.53 is: 3,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.44 : 5,180.19 = 2,181.53 : x
  2. Step 2: Convert to fraction form
    3,753.44/5,180.19 = 2,181.53/x
  3. Step 3: Cross multiply
    3,753.44x = 5,180.19 × 2,181.53
  4. Step 4: Simplify right side
    3,753.44x = 11,300,744.66
  5. Step 5: Solve for x
    x = 11,300,744.66/3,753.44
  6. Step 6: Final answer
    x = 3,010.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.