Home / 3,204.30-4,806.80-1,355.60

Finding the Fourth Proportional to 3,204.30, 4,806.80 and 1,355.60

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Solution

The fourth proportional to 3,204.30, 4,806.80 and 1,355.60 is: 2,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.30 : 4,806.80 = 1,355.60 : x
  2. Step 2: Convert to fraction form
    3,204.30/4,806.80 = 1,355.60/x
  3. Step 3: Cross multiply
    3,204.30x = 4,806.80 × 1,355.60
  4. Step 4: Simplify right side
    3,204.30x = 6,516,103.32
  5. Step 5: Solve for x
    x = 6,516,103.32/3,204.30
  6. Step 6: Final answer
    x = 2,033.55

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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.