Home / 2,297.94-3,128.74-2,290.66

Finding the Fourth Proportional to 2,297.94, 3,128.74 and 2,290.66

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Solution

The fourth proportional to 2,297.94, 3,128.74 and 2,290.66 is: 3,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.94 : 3,128.74 = 2,290.66 : x
  2. Step 2: Convert to fraction form
    2,297.94/3,128.74 = 2,290.66/x
  3. Step 3: Cross multiply
    2,297.94x = 3,128.74 × 2,290.66
  4. Step 4: Simplify right side
    2,297.94x = 7,166,879.57
  5. Step 5: Solve for x
    x = 7,166,879.57/2,297.94
  6. Step 6: Final answer
    x = 3,118.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.