Home / 2,884.36-4,325.63-936.16

Finding the Fourth Proportional to 2,884.36, 4,325.63 and 936.16

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Solution

The fourth proportional to 2,884.36, 4,325.63 and 936.16 is: 1,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.36 : 4,325.63 = 936.16 : x
  2. Step 2: Convert to fraction form
    2,884.36/4,325.63 = 936.16/x
  3. Step 3: Cross multiply
    2,884.36x = 4,325.63 × 936.16
  4. Step 4: Simplify right side
    2,884.36x = 4,049,481.78
  5. Step 5: Solve for x
    x = 4,049,481.78/2,884.36
  6. Step 6: Final answer
    x = 1,403.94

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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.