Home / 3,648.82-5,474.19-1,309.06

Finding the Fourth Proportional to 3,648.82, 5,474.19 and 1,309.06

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Solution

The fourth proportional to 3,648.82, 5,474.19 and 1,309.06 is: 1,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.82 : 5,474.19 = 1,309.06 : x
  2. Step 2: Convert to fraction form
    3,648.82/5,474.19 = 1,309.06/x
  3. Step 3: Cross multiply
    3,648.82x = 5,474.19 × 1,309.06
  4. Step 4: Simplify right side
    3,648.82x = 7,166,043.16
  5. Step 5: Solve for x
    x = 7,166,043.16/3,648.82
  6. Step 6: Final answer
    x = 1,963.93

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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.