Home / 3,515.06-5,273.97-1,323.97

Finding the Fourth Proportional to 3,515.06, 5,273.97 and 1,323.97

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Solution

The fourth proportional to 3,515.06, 5,273.97 and 1,323.97 is: 1,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.06 : 5,273.97 = 1,323.97 : x
  2. Step 2: Convert to fraction form
    3,515.06/5,273.97 = 1,323.97/x
  3. Step 3: Cross multiply
    3,515.06x = 5,273.97 × 1,323.97
  4. Step 4: Simplify right side
    3,515.06x = 6,982,559.91
  5. Step 5: Solve for x
    x = 6,982,559.91/3,515.06
  6. Step 6: Final answer
    x = 1,986.47

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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.