Home / 2,208.96-3,313.90-910.56

Finding the Fourth Proportional to 2,208.96, 3,313.90 and 910.56

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Solution

The fourth proportional to 2,208.96, 3,313.90 and 910.56 is: 1,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.96 : 3,313.90 = 910.56 : x
  2. Step 2: Convert to fraction form
    2,208.96/3,313.90 = 910.56/x
  3. Step 3: Cross multiply
    2,208.96x = 3,313.90 × 910.56
  4. Step 4: Simplify right side
    2,208.96x = 3,017,504.78
  5. Step 5: Solve for x
    x = 3,017,504.78/2,208.96
  6. Step 6: Final answer
    x = 1,366.03

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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.