Home / 2,636.34-3,956.36-1,944.80

Finding the Fourth Proportional to 2,636.34, 3,956.36 and 1,944.80

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Solution

The fourth proportional to 2,636.34, 3,956.36 and 1,944.80 is: 2,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.34 : 3,956.36 = 1,944.80 : x
  2. Step 2: Convert to fraction form
    2,636.34/3,956.36 = 1,944.80/x
  3. Step 3: Cross multiply
    2,636.34x = 3,956.36 × 1,944.80
  4. Step 4: Simplify right side
    2,636.34x = 7,694,329.09
  5. Step 5: Solve for x
    x = 7,694,329.09/2,636.34
  6. Step 6: Final answer
    x = 2,918.56

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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.