Home / 2,322.09-3,485.66-936.36

Finding the Fourth Proportional to 2,322.09, 3,485.66 and 936.36

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Solution

The fourth proportional to 2,322.09, 3,485.66 and 936.36 is: 1,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.09 : 3,485.66 = 936.36 : x
  2. Step 2: Convert to fraction form
    2,322.09/3,485.66 = 936.36/x
  3. Step 3: Cross multiply
    2,322.09x = 3,485.66 × 936.36
  4. Step 4: Simplify right side
    2,322.09x = 3,263,827.92
  5. Step 5: Solve for x
    x = 3,263,827.92/2,322.09
  6. Step 6: Final answer
    x = 1,405.56

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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.