Home / 2,181.31-3,273.59-1,027.87

Finding the Fourth Proportional to 2,181.31, 3,273.59 and 1,027.87

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Solution

The fourth proportional to 2,181.31, 3,273.59 and 1,027.87 is: 1,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.31 : 3,273.59 = 1,027.87 : x
  2. Step 2: Convert to fraction form
    2,181.31/3,273.59 = 1,027.87/x
  3. Step 3: Cross multiply
    2,181.31x = 3,273.59 × 1,027.87
  4. Step 4: Simplify right side
    2,181.31x = 3,364,819.81
  5. Step 5: Solve for x
    x = 3,364,819.81/2,181.31
  6. Step 6: Final answer
    x = 1,542.57

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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.