Home / 2,297.07-3,170.01-1,249.20

Finding the Fourth Proportional to 2,297.07, 3,170.01 and 1,249.20

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Solution

The fourth proportional to 2,297.07, 3,170.01 and 1,249.20 is: 1,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.07 : 3,170.01 = 1,249.20 : x
  2. Step 2: Convert to fraction form
    2,297.07/3,170.01 = 1,249.20/x
  3. Step 3: Cross multiply
    2,297.07x = 3,170.01 × 1,249.20
  4. Step 4: Simplify right side
    2,297.07x = 3,959,976.49
  5. Step 5: Solve for x
    x = 3,959,976.49/2,297.07
  6. Step 6: Final answer
    x = 1,723.93

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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.