Home / 2,208.34-3,313.05-727.54

Finding the Fourth Proportional to 2,208.34, 3,313.05 and 727.54

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Solution

The fourth proportional to 2,208.34, 3,313.05 and 727.54 is: 1,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.34 : 3,313.05 = 727.54 : x
  2. Step 2: Convert to fraction form
    2,208.34/3,313.05 = 727.54/x
  3. Step 3: Cross multiply
    2,208.34x = 3,313.05 × 727.54
  4. Step 4: Simplify right side
    2,208.34x = 2,410,376.40
  5. Step 5: Solve for x
    x = 2,410,376.40/2,208.34
  6. Step 6: Final answer
    x = 1,091.49

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1.5x scale

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.