Home / 1,997.03-2,756.37-1,297.19

Finding the Fourth Proportional to 1,997.03, 2,756.37 and 1,297.19

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Solution

The fourth proportional to 1,997.03, 2,756.37 and 1,297.19 is: 1,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.03 : 2,756.37 = 1,297.19 : x
  2. Step 2: Convert to fraction form
    1,997.03/2,756.37 = 1,297.19/x
  3. Step 3: Cross multiply
    1,997.03x = 2,756.37 × 1,297.19
  4. Step 4: Simplify right side
    1,997.03x = 3,575,535.60
  5. Step 5: Solve for x
    x = 3,575,535.60/1,997.03
  6. Step 6: Final answer
    x = 1,790.43

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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.