Home / 3,208.90-4,806.34-1,972.56

Finding the Fourth Proportional to 3,208.90, 4,806.34 and 1,972.56

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Solution

The fourth proportional to 3,208.90, 4,806.34 and 1,972.56 is: 2,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.90 : 4,806.34 = 1,972.56 : x
  2. Step 2: Convert to fraction form
    3,208.90/4,806.34 = 1,972.56/x
  3. Step 3: Cross multiply
    3,208.90x = 4,806.34 × 1,972.56
  4. Step 4: Simplify right side
    3,208.90x = 9,480,794.03
  5. Step 5: Solve for x
    x = 9,480,794.03/3,208.90
  6. Step 6: Final answer
    x = 2,954.54

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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.