Home / 2,584.26-3,876.39-636.46

Finding the Fourth Proportional to 2,584.26, 3,876.39 and 636.46

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Solution

The fourth proportional to 2,584.26, 3,876.39 and 636.46 is: 954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.26 : 3,876.39 = 636.46 : x
  2. Step 2: Convert to fraction form
    2,584.26/3,876.39 = 636.46/x
  3. Step 3: Cross multiply
    2,584.26x = 3,876.39 × 636.46
  4. Step 4: Simplify right side
    2,584.26x = 2,467,164.00
  5. Step 5: Solve for x
    x = 2,467,164.00/2,584.26
  6. Step 6: Final answer
    x = 954.69

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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.