Home / 3,287.78-4,537.20-1,795.71

Finding the Fourth Proportional to 3,287.78, 4,537.20 and 1,795.71

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Solution

The fourth proportional to 3,287.78, 4,537.20 and 1,795.71 is: 2,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.78 : 4,537.20 = 1,795.71 : x
  2. Step 2: Convert to fraction form
    3,287.78/4,537.20 = 1,795.71/x
  3. Step 3: Cross multiply
    3,287.78x = 4,537.20 × 1,795.71
  4. Step 4: Simplify right side
    3,287.78x = 8,147,484.73
  5. Step 5: Solve for x
    x = 8,147,484.73/3,287.78
  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.