Home / 2,181.93-3,273.80-2,009.60

Finding the Fourth Proportional to 2,181.93, 3,273.80 and 2,009.60

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Solution

The fourth proportional to 2,181.93, 3,273.80 and 2,009.60 is: 3,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.93 : 3,273.80 = 2,009.60 : x
  2. Step 2: Convert to fraction form
    2,181.93/3,273.80 = 2,009.60/x
  3. Step 3: Cross multiply
    2,181.93x = 3,273.80 × 2,009.60
  4. Step 4: Simplify right side
    2,181.93x = 6,579,028.48
  5. Step 5: Solve for x
    x = 6,579,028.48/2,181.93
  6. Step 6: Final answer
    x = 3,015.23

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1.5x scale

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.