Home / 3,203.82-4,421.11-1,787.66

Finding the Fourth Proportional to 3,203.82, 4,421.11 and 1,787.66

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Solution

The fourth proportional to 3,203.82, 4,421.11 and 1,787.66 is: 2,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.82 : 4,421.11 = 1,787.66 : x
  2. Step 2: Convert to fraction form
    3,203.82/4,421.11 = 1,787.66/x
  3. Step 3: Cross multiply
    3,203.82x = 4,421.11 × 1,787.66
  4. Step 4: Simplify right side
    3,203.82x = 7,903,441.50
  5. Step 5: Solve for x
    x = 7,903,441.50/3,203.82
  6. Step 6: Final answer
    x = 2,466.88

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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.