Home / 2,822.72-4,233.40-1,998.60

Finding the Fourth Proportional to 2,822.72, 4,233.40 and 1,998.60

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Solution

The fourth proportional to 2,822.72, 4,233.40 and 1,998.60 is: 2,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.72 : 4,233.40 = 1,998.60 : x
  2. Step 2: Convert to fraction form
    2,822.72/4,233.40 = 1,998.60/x
  3. Step 3: Cross multiply
    2,822.72x = 4,233.40 × 1,998.60
  4. Step 4: Simplify right side
    2,822.72x = 8,460,873.24
  5. Step 5: Solve for x
    x = 8,460,873.24/2,822.72
  6. Step 6: Final answer
    x = 2,997.42

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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.