Home / 2,921.56-4,027.86-2,250.43

Finding the Fourth Proportional to 2,921.56, 4,027.86 and 2,250.43

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Solution

The fourth proportional to 2,921.56, 4,027.86 and 2,250.43 is: 3,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.56 : 4,027.86 = 2,250.43 : x
  2. Step 2: Convert to fraction form
    2,921.56/4,027.86 = 2,250.43/x
  3. Step 3: Cross multiply
    2,921.56x = 4,027.86 × 2,250.43
  4. Step 4: Simplify right side
    2,921.56x = 9,064,406.91
  5. Step 5: Solve for x
    x = 9,064,406.91/2,921.56
  6. Step 6: Final answer
    x = 3,102.59

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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.