Home / 2,453.80-3,674.22-1,297.12

Finding the Fourth Proportional to 2,453.80, 3,674.22 and 1,297.12

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Solution

The fourth proportional to 2,453.80, 3,674.22 and 1,297.12 is: 1,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.80 : 3,674.22 = 1,297.12 : x
  2. Step 2: Convert to fraction form
    2,453.80/3,674.22 = 1,297.12/x
  3. Step 3: Cross multiply
    2,453.80x = 3,674.22 × 1,297.12
  4. Step 4: Simplify right side
    2,453.80x = 4,765,904.25
  5. Step 5: Solve for x
    x = 4,765,904.25/2,453.80
  6. Step 6: Final answer
    x = 1,942.25

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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.