Home / 2,850-3,933.32-1,608.08

Finding the Fourth Proportional to 2,850, 3,933.32 and 1,608.08

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Solution

The fourth proportional to 2,850, 3,933.32 and 1,608.08 is: 2,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850 : 3,933.32 = 1,608.08 : x
  2. Step 2: Convert to fraction form
    2,850/3,933.32 = 1,608.08/x
  3. Step 3: Cross multiply
    2,850x = 3,933.32 × 1,608.08
  4. Step 4: Simplify right side
    2,850x = 6,325,093.23
  5. Step 5: Solve for x
    x = 6,325,093.23/2,850
  6. Step 6: Final answer
    x = 2,219.33

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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.