Home / 3,206.32-4,812.20-1,259.88

Finding the Fourth Proportional to 3,206.32, 4,812.20 and 1,259.88

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Solution

The fourth proportional to 3,206.32, 4,812.20 and 1,259.88 is: 1,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.32 : 4,812.20 = 1,259.88 : x
  2. Step 2: Convert to fraction form
    3,206.32/4,812.20 = 1,259.88/x
  3. Step 3: Cross multiply
    3,206.32x = 4,812.20 × 1,259.88
  4. Step 4: Simplify right side
    3,206.32x = 6,062,794.54
  5. Step 5: Solve for x
    x = 6,062,794.54/3,206.32
  6. Step 6: Final answer
    x = 1,890.89

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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.