Home / 3,287.89-4,537.17-1,795.78

Finding the Fourth Proportional to 3,287.89, 4,537.17 and 1,795.78

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Solution

The fourth proportional to 3,287.89, 4,537.17 and 1,795.78 is: 2,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.89 : 4,537.17 = 1,795.78 : x
  2. Step 2: Convert to fraction form
    3,287.89/4,537.17 = 1,795.78/x
  3. Step 3: Cross multiply
    3,287.89x = 4,537.17 × 1,795.78
  4. Step 4: Simplify right side
    3,287.89x = 8,147,759.14
  5. Step 5: Solve for x
    x = 8,147,759.14/3,287.89
  6. Step 6: Final answer
    x = 2,478.11

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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.