Home / 3,608.16-4,979.34-1,993.11

Finding the Fourth Proportional to 3,608.16, 4,979.34 and 1,993.11

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Solution

The fourth proportional to 3,608.16, 4,979.34 and 1,993.11 is: 2,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.16 : 4,979.34 = 1,993.11 : x
  2. Step 2: Convert to fraction form
    3,608.16/4,979.34 = 1,993.11/x
  3. Step 3: Cross multiply
    3,608.16x = 4,979.34 × 1,993.11
  4. Step 4: Simplify right side
    3,608.16x = 9,924,372.35
  5. Step 5: Solve for x
    x = 9,924,372.35/3,608.16
  6. Step 6: Final answer
    x = 2,750.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.