Home / 2,183.55-3,275.97-1,259.77

Finding the Fourth Proportional to 2,183.55, 3,275.97 and 1,259.77

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Solution

The fourth proportional to 2,183.55, 3,275.97 and 1,259.77 is: 1,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.55 : 3,275.97 = 1,259.77 : x
  2. Step 2: Convert to fraction form
    2,183.55/3,275.97 = 1,259.77/x
  3. Step 3: Cross multiply
    2,183.55x = 3,275.97 × 1,259.77
  4. Step 4: Simplify right side
    2,183.55x = 4,126,968.73
  5. Step 5: Solve for x
    x = 4,126,968.73/2,183.55
  6. Step 6: Final answer
    x = 1,890.03

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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.