Home / 3,511.72-4,846.43-2,020.11

Finding the Fourth Proportional to 3,511.72, 4,846.43 and 2,020.11

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Solution

The fourth proportional to 3,511.72, 4,846.43 and 2,020.11 is: 2,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.72 : 4,846.43 = 2,020.11 : x
  2. Step 2: Convert to fraction form
    3,511.72/4,846.43 = 2,020.11/x
  3. Step 3: Cross multiply
    3,511.72x = 4,846.43 × 2,020.11
  4. Step 4: Simplify right side
    3,511.72x = 9,790,297.48
  5. Step 5: Solve for x
    x = 9,790,297.48/3,511.72
  6. Step 6: Final answer
    x = 2,787.89

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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.