Home / 3,208.82-4,812.62-1,563.71

Finding the Fourth Proportional to 3,208.82, 4,812.62 and 1,563.71

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Solution

The fourth proportional to 3,208.82, 4,812.62 and 1,563.71 is: 2,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.82 : 4,812.62 = 1,563.71 : x
  2. Step 2: Convert to fraction form
    3,208.82/4,812.62 = 1,563.71/x
  3. Step 3: Cross multiply
    3,208.82x = 4,812.62 × 1,563.71
  4. Step 4: Simplify right side
    3,208.82x = 7,525,510.14
  5. Step 5: Solve for x
    x = 7,525,510.14/3,208.82
  6. Step 6: Final answer
    x = 2,345.26

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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.