Home / 3,086.57-4,259.64-2,422.27

Finding the Fourth Proportional to 3,086.57, 4,259.64 and 2,422.27

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Solution

The fourth proportional to 3,086.57, 4,259.64 and 2,422.27 is: 3,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.57 : 4,259.64 = 2,422.27 : x
  2. Step 2: Convert to fraction form
    3,086.57/4,259.64 = 2,422.27/x
  3. Step 3: Cross multiply
    3,086.57x = 4,259.64 × 2,422.27
  4. Step 4: Simplify right side
    3,086.57x = 10,318,007.95
  5. Step 5: Solve for x
    x = 10,318,007.95/3,086.57
  6. Step 6: Final answer
    x = 3,342.87

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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.