Home / 3,754.64-5,181.06-2,160.86

Finding the Fourth Proportional to 3,754.64, 5,181.06 and 2,160.86

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Solution

The fourth proportional to 3,754.64, 5,181.06 and 2,160.86 is: 2,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.64 : 5,181.06 = 2,160.86 : x
  2. Step 2: Convert to fraction form
    3,754.64/5,181.06 = 2,160.86/x
  3. Step 3: Cross multiply
    3,754.64x = 5,181.06 × 2,160.86
  4. Step 4: Simplify right side
    3,754.64x = 11,195,556.65
  5. Step 5: Solve for x
    x = 11,195,556.65/3,754.64
  6. Step 6: Final answer
    x = 2,981.79

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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.