Home / 2,231.12-3,346.51-844.33

Finding the Fourth Proportional to 2,231.12, 3,346.51 and 844.33

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Solution

The fourth proportional to 2,231.12, 3,346.51 and 844.33 is: 1,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.12 : 3,346.51 = 844.33 : x
  2. Step 2: Convert to fraction form
    2,231.12/3,346.51 = 844.33/x
  3. Step 3: Cross multiply
    2,231.12x = 3,346.51 × 844.33
  4. Step 4: Simplify right side
    2,231.12x = 2,825,558.79
  5. Step 5: Solve for x
    x = 2,825,558.79/2,231.12
  6. Step 6: Final answer
    x = 1,266.43

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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.