Home / 2,176.50-3,268.62-2,002.80

Finding the Fourth Proportional to 2,176.50, 3,268.62 and 2,002.80

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Solution

The fourth proportional to 2,176.50, 3,268.62 and 2,002.80 is: 3,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.50 : 3,268.62 = 2,002.80 : x
  2. Step 2: Convert to fraction form
    2,176.50/3,268.62 = 2,002.80/x
  3. Step 3: Cross multiply
    2,176.50x = 3,268.62 × 2,002.80
  4. Step 4: Simplify right side
    2,176.50x = 6,546,392.14
  5. Step 5: Solve for x
    x = 6,546,392.14/2,176.50
  6. Step 6: Final answer
    x = 3,007.76

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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.