Home / 3,209.17-4,812.78-1,360.25

Finding the Fourth Proportional to 3,209.17, 4,812.78 and 1,360.25

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Solution

The fourth proportional to 3,209.17, 4,812.78 and 1,360.25 is: 2,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.17 : 4,812.78 = 1,360.25 : x
  2. Step 2: Convert to fraction form
    3,209.17/4,812.78 = 1,360.25/x
  3. Step 3: Cross multiply
    3,209.17x = 4,812.78 × 1,360.25
  4. Step 4: Simplify right side
    3,209.17x = 6,546,584.00
  5. Step 5: Solve for x
    x = 6,546,584.00/3,209.17
  6. Step 6: Final answer
    x = 2,039.96

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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.