Home / 2,310.12-3,467.24-1,078.22

Finding the Fourth Proportional to 2,310.12, 3,467.24 and 1,078.22

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Solution

The fourth proportional to 2,310.12, 3,467.24 and 1,078.22 is: 1,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.12 : 3,467.24 = 1,078.22 : x
  2. Step 2: Convert to fraction form
    2,310.12/3,467.24 = 1,078.22/x
  3. Step 3: Cross multiply
    2,310.12x = 3,467.24 × 1,078.22
  4. Step 4: Simplify right side
    2,310.12x = 3,738,447.51
  5. Step 5: Solve for x
    x = 3,738,447.51/2,310.12
  6. Step 6: Final answer
    x = 1,618.29

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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.