Home / 3,738.14-5,605.38-1,397.48

Finding the Fourth Proportional to 3,738.14, 5,605.38 and 1,397.48

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Solution

The fourth proportional to 3,738.14, 5,605.38 and 1,397.48 is: 2,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.14 : 5,605.38 = 1,397.48 : x
  2. Step 2: Convert to fraction form
    3,738.14/5,605.38 = 1,397.48/x
  3. Step 3: Cross multiply
    3,738.14x = 5,605.38 × 1,397.48
  4. Step 4: Simplify right side
    3,738.14x = 7,833,406.44
  5. Step 5: Solve for x
    x = 7,833,406.44/3,738.14
  6. Step 6: Final answer
    x = 2,095.54

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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.