Home / 2,824.26-3,897.21-2,236.26

Finding the Fourth Proportional to 2,824.26, 3,897.21 and 2,236.26

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Solution

The fourth proportional to 2,824.26, 3,897.21 and 2,236.26 is: 3,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.26 : 3,897.21 = 2,236.26 : x
  2. Step 2: Convert to fraction form
    2,824.26/3,897.21 = 2,236.26/x
  3. Step 3: Cross multiply
    2,824.26x = 3,897.21 × 2,236.26
  4. Step 4: Simplify right side
    2,824.26x = 8,715,174.83
  5. Step 5: Solve for x
    x = 8,715,174.83/2,824.26
  6. Step 6: Final answer
    x = 3,085.83

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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.