Home / 3,540.82-5,288.58-3,206.77

Finding the Fourth Proportional to 3,540.82, 5,288.58 and 3,206.77

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Solution

The fourth proportional to 3,540.82, 5,288.58 and 3,206.77 is: 4,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.82 : 5,288.58 = 3,206.77 : x
  2. Step 2: Convert to fraction form
    3,540.82/5,288.58 = 3,206.77/x
  3. Step 3: Cross multiply
    3,540.82x = 5,288.58 × 3,206.77
  4. Step 4: Simplify right side
    3,540.82x = 16,959,259.69
  5. Step 5: Solve for x
    x = 16,959,259.69/3,540.82
  6. Step 6: Final answer
    x = 4,789.64

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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.