Home / 2,099.22-2,896.68-1,259.96

Finding the Fourth Proportional to 2,099.22, 2,896.68 and 1,259.96

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Solution

The fourth proportional to 2,099.22, 2,896.68 and 1,259.96 is: 1,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.22 : 2,896.68 = 1,259.96 : x
  2. Step 2: Convert to fraction form
    2,099.22/2,896.68 = 1,259.96/x
  3. Step 3: Cross multiply
    2,099.22x = 2,896.68 × 1,259.96
  4. Step 4: Simplify right side
    2,099.22x = 3,649,700.93
  5. Step 5: Solve for x
    x = 3,649,700.93/2,099.22
  6. Step 6: Final answer
    x = 1,738.60

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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.