Home / 2,241.44-3,091.84-1,620.80

Finding the Fourth Proportional to 2,241.44, 3,091.84 and 1,620.80

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Solution

The fourth proportional to 2,241.44, 3,091.84 and 1,620.80 is: 2,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.44 : 3,091.84 = 1,620.80 : x
  2. Step 2: Convert to fraction form
    2,241.44/3,091.84 = 1,620.80/x
  3. Step 3: Cross multiply
    2,241.44x = 3,091.84 × 1,620.80
  4. Step 4: Simplify right side
    2,241.44x = 5,011,254.27
  5. Step 5: Solve for x
    x = 5,011,254.27/2,241.44
  6. Step 6: Final answer
    x = 2,235.73

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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.