Home / 3,608.32-4,979.60-1,993.12

Finding the Fourth Proportional to 3,608.32, 4,979.60 and 1,993.12

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Solution

The fourth proportional to 3,608.32, 4,979.60 and 1,993.12 is: 2,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.32 : 4,979.60 = 1,993.12 : x
  2. Step 2: Convert to fraction form
    3,608.32/4,979.60 = 1,993.12/x
  3. Step 3: Cross multiply
    3,608.32x = 4,979.60 × 1,993.12
  4. Step 4: Simplify right side
    3,608.32x = 9,924,940.35
  5. Step 5: Solve for x
    x = 9,924,940.35/3,608.32
  6. Step 6: Final answer
    x = 2,750.57

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1.5x scale

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.