Home / 2,183.68-3,276.16-1,259.90

Finding the Fourth Proportional to 2,183.68, 3,276.16 and 1,259.90

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Solution

The fourth proportional to 2,183.68, 3,276.16 and 1,259.90 is: 1,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.68 : 3,276.16 = 1,259.90 : x
  2. Step 2: Convert to fraction form
    2,183.68/3,276.16 = 1,259.90/x
  3. Step 3: Cross multiply
    2,183.68x = 3,276.16 × 1,259.90
  4. Step 4: Simplify right side
    2,183.68x = 4,127,633.98
  5. Step 5: Solve for x
    x = 4,127,633.98/2,183.68
  6. Step 6: Final answer
    x = 1,890.22

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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.