Home / 2,331.22-3,215.82-2,003.98

Finding the Fourth Proportional to 2,331.22, 3,215.82 and 2,003.98

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Solution

The fourth proportional to 2,331.22, 3,215.82 and 2,003.98 is: 2,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.22 : 3,215.82 = 2,003.98 : x
  2. Step 2: Convert to fraction form
    2,331.22/3,215.82 = 2,003.98/x
  3. Step 3: Cross multiply
    2,331.22x = 3,215.82 × 2,003.98
  4. Step 4: Simplify right side
    2,331.22x = 6,444,438.96
  5. Step 5: Solve for x
    x = 6,444,438.96/2,331.22
  6. Step 6: Final answer
    x = 2,764.41

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