Home / 3,754.31-5,181.26-2,182.71

Finding the Fourth Proportional to 3,754.31, 5,181.26 and 2,182.71

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Solution

The fourth proportional to 3,754.31, 5,181.26 and 2,182.71 is: 3,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.31 : 5,181.26 = 2,182.71 : x
  2. Step 2: Convert to fraction form
    3,754.31/5,181.26 = 2,182.71/x
  3. Step 3: Cross multiply
    3,754.31x = 5,181.26 × 2,182.71
  4. Step 4: Simplify right side
    3,754.31x = 11,309,188.01
  5. Step 5: Solve for x
    x = 11,309,188.01/3,754.31
  6. Step 6: Final answer
    x = 3,012.32

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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.