Home / 2,933.41-4,399.20-985.16

Finding the Fourth Proportional to 2,933.41, 4,399.20 and 985.16

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Solution

The fourth proportional to 2,933.41, 4,399.20 and 985.16 is: 1,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.41 : 4,399.20 = 985.16 : x
  2. Step 2: Convert to fraction form
    2,933.41/4,399.20 = 985.16/x
  3. Step 3: Cross multiply
    2,933.41x = 4,399.20 × 985.16
  4. Step 4: Simplify right side
    2,933.41x = 4,333,893.88
  5. Step 5: Solve for x
    x = 4,333,893.88/2,933.41
  6. Step 6: Final answer
    x = 1,477.43

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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.