Home / 2,808.06-4,207.11-2,641.38

Finding the Fourth Proportional to 2,808.06, 4,207.11 and 2,641.38

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Solution

The fourth proportional to 2,808.06, 4,207.11 and 2,641.38 is: 3,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.06 : 4,207.11 = 2,641.38 : x
  2. Step 2: Convert to fraction form
    2,808.06/4,207.11 = 2,641.38/x
  3. Step 3: Cross multiply
    2,808.06x = 4,207.11 × 2,641.38
  4. Step 4: Simplify right side
    2,808.06x = 11,112,576.21
  5. Step 5: Solve for x
    x = 11,112,576.21/2,808.06
  6. Step 6: Final answer
    x = 3,957.39

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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.