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Finding the Fourth Proportional to 2,993.72, 4,486.53 and 2,344.64

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Solution

The fourth proportional to 2,993.72, 4,486.53 and 2,344.64 is: 3,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.72 : 4,486.53 = 2,344.64 : x
  2. Step 2: Convert to fraction form
    2,993.72/4,486.53 = 2,344.64/x
  3. Step 3: Cross multiply
    2,993.72x = 4,486.53 × 2,344.64
  4. Step 4: Simplify right side
    2,993.72x = 10,519,297.70
  5. Step 5: Solve for x
    x = 10,519,297.70/2,993.72
  6. Step 6: Final answer
    x = 3,513.79

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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.