Home / 2,195.92-3,028.62-1,865.44

Finding the Fourth Proportional to 2,195.92, 3,028.62 and 1,865.44

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Solution

The fourth proportional to 2,195.92, 3,028.62 and 1,865.44 is: 2,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.92 : 3,028.62 = 1,865.44 : x
  2. Step 2: Convert to fraction form
    2,195.92/3,028.62 = 1,865.44/x
  3. Step 3: Cross multiply
    2,195.92x = 3,028.62 × 1,865.44
  4. Step 4: Simplify right side
    2,195.92x = 5,649,708.89
  5. Step 5: Solve for x
    x = 5,649,708.89/2,195.92
  6. Step 6: Final answer
    x = 2,572.82

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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.