Home / 3,208.23-4,806.11-1,817.28

Finding the Fourth Proportional to 3,208.23, 4,806.11 and 1,817.28

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Solution

The fourth proportional to 3,208.23, 4,806.11 and 1,817.28 is: 2,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.23 : 4,806.11 = 1,817.28 : x
  2. Step 2: Convert to fraction form
    3,208.23/4,806.11 = 1,817.28/x
  3. Step 3: Cross multiply
    3,208.23x = 4,806.11 × 1,817.28
  4. Step 4: Simplify right side
    3,208.23x = 8,734,052.12
  5. Step 5: Solve for x
    x = 8,734,052.12/3,208.23
  6. Step 6: Final answer
    x = 2,722.39

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1.5x scale

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.