Home / 2,208.08-3,293.38-2,169.20

Finding the Fourth Proportional to 2,208.08, 3,293.38 and 2,169.20

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Solution

The fourth proportional to 2,208.08, 3,293.38 and 2,169.20 is: 3,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.08 : 3,293.38 = 2,169.20 : x
  2. Step 2: Convert to fraction form
    2,208.08/3,293.38 = 2,169.20/x
  3. Step 3: Cross multiply
    2,208.08x = 3,293.38 × 2,169.20
  4. Step 4: Simplify right side
    2,208.08x = 7,143,999.90
  5. Step 5: Solve for x
    x = 7,143,999.90/2,208.08
  6. Step 6: Final answer
    x = 3,235.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.