Home / 2,012.44-2,776.68-1,172.64

Finding the Fourth Proportional to 2,012.44, 2,776.68 and 1,172.64

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Solution

The fourth proportional to 2,012.44, 2,776.68 and 1,172.64 is: 1,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.44 : 2,776.68 = 1,172.64 : x
  2. Step 2: Convert to fraction form
    2,012.44/2,776.68 = 1,172.64/x
  3. Step 3: Cross multiply
    2,012.44x = 2,776.68 × 1,172.64
  4. Step 4: Simplify right side
    2,012.44x = 3,256,046.04
  5. Step 5: Solve for x
    x = 3,256,046.04/2,012.44
  6. Step 6: Final answer
    x = 1,617.96

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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.