Home / 3,131.33-4,693.41-1,485.54

Finding the Fourth Proportional to 3,131.33, 4,693.41 and 1,485.54

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Solution

The fourth proportional to 3,131.33, 4,693.41 and 1,485.54 is: 2,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.33 : 4,693.41 = 1,485.54 : x
  2. Step 2: Convert to fraction form
    3,131.33/4,693.41 = 1,485.54/x
  3. Step 3: Cross multiply
    3,131.33x = 4,693.41 × 1,485.54
  4. Step 4: Simplify right side
    3,131.33x = 6,972,248.29
  5. Step 5: Solve for x
    x = 6,972,248.29/3,131.33
  6. Step 6: Final answer
    x = 2,226.61

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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.