Home / 1,890.23-2,833.22-850.80

Finding the Fourth Proportional to 1,890.23, 2,833.22 and 850.80

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Solution

The fourth proportional to 1,890.23, 2,833.22 and 850.80 is: 1,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.23 : 2,833.22 = 850.80 : x
  2. Step 2: Convert to fraction form
    1,890.23/2,833.22 = 850.80/x
  3. Step 3: Cross multiply
    1,890.23x = 2,833.22 × 850.80
  4. Step 4: Simplify right side
    1,890.23x = 2,410,503.58
  5. Step 5: Solve for x
    x = 2,410,503.58/1,890.23
  6. Step 6: Final answer
    x = 1,275.24

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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.