Home / 2,284.44-3,425.99-1,188.21

Finding the Fourth Proportional to 2,284.44, 3,425.99 and 1,188.21

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Solution

The fourth proportional to 2,284.44, 3,425.99 and 1,188.21 is: 1,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.44 : 3,425.99 = 1,188.21 : x
  2. Step 2: Convert to fraction form
    2,284.44/3,425.99 = 1,188.21/x
  3. Step 3: Cross multiply
    2,284.44x = 3,425.99 × 1,188.21
  4. Step 4: Simplify right side
    2,284.44x = 4,070,789.64
  5. Step 5: Solve for x
    x = 4,070,789.64/2,284.44
  6. Step 6: Final answer
    x = 1,781.96

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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.