Home / 3,207.06-4,806.58-1,722.64

Finding the Fourth Proportional to 3,207.06, 4,806.58 and 1,722.64

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Solution

The fourth proportional to 3,207.06, 4,806.58 and 1,722.64 is: 2,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.06 : 4,806.58 = 1,722.64 : x
  2. Step 2: Convert to fraction form
    3,207.06/4,806.58 = 1,722.64/x
  3. Step 3: Cross multiply
    3,207.06x = 4,806.58 × 1,722.64
  4. Step 4: Simplify right side
    3,207.06x = 8,279,974.33
  5. Step 5: Solve for x
    x = 8,279,974.33/3,207.06
  6. Step 6: Final answer
    x = 2,581.80

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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.