Home / 3,086.22-4,257.39-2,064.48

Finding the Fourth Proportional to 3,086.22, 4,257.39 and 2,064.48

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Solution

The fourth proportional to 3,086.22, 4,257.39 and 2,064.48 is: 2,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.22 : 4,257.39 = 2,064.48 : x
  2. Step 2: Convert to fraction form
    3,086.22/4,257.39 = 2,064.48/x
  3. Step 3: Cross multiply
    3,086.22x = 4,257.39 × 2,064.48
  4. Step 4: Simplify right side
    3,086.22x = 8,789,296.51
  5. Step 5: Solve for x
    x = 8,789,296.51/3,086.22
  6. Step 6: Final answer
    x = 2,847.92

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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.