Home / 2,215.44-3,323.16-2,119.35

Finding the Fourth Proportional to 2,215.44, 3,323.16 and 2,119.35

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Solution

The fourth proportional to 2,215.44, 3,323.16 and 2,119.35 is: 3,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.44 : 3,323.16 = 2,119.35 : x
  2. Step 2: Convert to fraction form
    2,215.44/3,323.16 = 2,119.35/x
  3. Step 3: Cross multiply
    2,215.44x = 3,323.16 × 2,119.35
  4. Step 4: Simplify right side
    2,215.44x = 7,042,939.15
  5. Step 5: Solve for x
    x = 7,042,939.15/2,215.44
  6. Step 6: Final answer
    x = 3,179.03

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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.