Home / 2,150.66-3,226.26-1,855.28

Finding the Fourth Proportional to 2,150.66, 3,226.26 and 1,855.28

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Solution

The fourth proportional to 2,150.66, 3,226.26 and 1,855.28 is: 2,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.66 : 3,226.26 = 1,855.28 : x
  2. Step 2: Convert to fraction form
    2,150.66/3,226.26 = 1,855.28/x
  3. Step 3: Cross multiply
    2,150.66x = 3,226.26 × 1,855.28
  4. Step 4: Simplify right side
    2,150.66x = 5,985,615.65
  5. Step 5: Solve for x
    x = 5,985,615.65/2,150.66
  6. Step 6: Final answer
    x = 2,783.15

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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.