Home / 2,189.44-3,285.06-1,727.74

Finding the Fourth Proportional to 2,189.44, 3,285.06 and 1,727.74

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Solution

The fourth proportional to 2,189.44, 3,285.06 and 1,727.74 is: 2,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.44 : 3,285.06 = 1,727.74 : x
  2. Step 2: Convert to fraction form
    2,189.44/3,285.06 = 1,727.74/x
  3. Step 3: Cross multiply
    2,189.44x = 3,285.06 × 1,727.74
  4. Step 4: Simplify right side
    2,189.44x = 5,675,729.56
  5. Step 5: Solve for x
    x = 5,675,729.56/2,189.44
  6. Step 6: Final answer
    x = 2,592.32

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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.