Home / 2,231.33-3,347.75-845.06

Finding the Fourth Proportional to 2,231.33, 3,347.75 and 845.06

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Solution

The fourth proportional to 2,231.33, 3,347.75 and 845.06 is: 1,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.33 : 3,347.75 = 845.06 : x
  2. Step 2: Convert to fraction form
    2,231.33/3,347.75 = 845.06/x
  3. Step 3: Cross multiply
    2,231.33x = 3,347.75 × 845.06
  4. Step 4: Simplify right side
    2,231.33x = 2,829,049.62
  5. Step 5: Solve for x
    x = 2,829,049.62/2,231.33
  6. Step 6: Final answer
    x = 1,267.88

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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.