Home / 3,611.64-5,422.65-2,227.70

Finding the Fourth Proportional to 3,611.64, 5,422.65 and 2,227.70

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Solution

The fourth proportional to 3,611.64, 5,422.65 and 2,227.70 is: 3,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.64 : 5,422.65 = 2,227.70 : x
  2. Step 2: Convert to fraction form
    3,611.64/5,422.65 = 2,227.70/x
  3. Step 3: Cross multiply
    3,611.64x = 5,422.65 × 2,227.70
  4. Step 4: Simplify right side
    3,611.64x = 12,080,042.61
  5. Step 5: Solve for x
    x = 12,080,042.61/3,611.64
  6. Step 6: Final answer
    x = 3,344.75

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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.