Home / 3,282.54-4,529.09-2,105.20

Finding the Fourth Proportional to 3,282.54, 4,529.09 and 2,105.20

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Solution

The fourth proportional to 3,282.54, 4,529.09 and 2,105.20 is: 2,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.54 : 4,529.09 = 2,105.20 : x
  2. Step 2: Convert to fraction form
    3,282.54/4,529.09 = 2,105.20/x
  3. Step 3: Cross multiply
    3,282.54x = 4,529.09 × 2,105.20
  4. Step 4: Simplify right side
    3,282.54x = 9,534,651.19
  5. Step 5: Solve for x
    x = 9,534,651.19/3,282.54
  6. Step 6: Final answer
    x = 2,904.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.