Home / 2,297.27-3,170.31-1,249.36

Finding the Fourth Proportional to 2,297.27, 3,170.31 and 1,249.36

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Solution

The fourth proportional to 2,297.27, 3,170.31 and 1,249.36 is: 1,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.27 : 3,170.31 = 1,249.36 : x
  2. Step 2: Convert to fraction form
    2,297.27/3,170.31 = 1,249.36/x
  3. Step 3: Cross multiply
    2,297.27x = 3,170.31 × 1,249.36
  4. Step 4: Simplify right side
    2,297.27x = 3,960,858.50
  5. Step 5: Solve for x
    x = 3,960,858.50/2,297.27
  6. Step 6: Final answer
    x = 1,724.16

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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.