Home / 2,669.60-3,684-1,608.02

Finding the Fourth Proportional to 2,669.60, 3,684 and 1,608.02

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Solution

The fourth proportional to 2,669.60, 3,684 and 1,608.02 is: 2,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.60 : 3,684 = 1,608.02 : x
  2. Step 2: Convert to fraction form
    2,669.60/3,684 = 1,608.02/x
  3. Step 3: Cross multiply
    2,669.60x = 3,684 × 1,608.02
  4. Step 4: Simplify right side
    2,669.60x = 5,923,945.68
  5. Step 5: Solve for x
    x = 5,923,945.68/2,669.60
  6. Step 6: Final answer
    x = 2,219.04

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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.