Home / 2,629.74-3,942.81-1,168.14

Finding the Fourth Proportional to 2,629.74, 3,942.81 and 1,168.14

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Solution

The fourth proportional to 2,629.74, 3,942.81 and 1,168.14 is: 1,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.74 : 3,942.81 = 1,168.14 : x
  2. Step 2: Convert to fraction form
    2,629.74/3,942.81 = 1,168.14/x
  3. Step 3: Cross multiply
    2,629.74x = 3,942.81 × 1,168.14
  4. Step 4: Simplify right side
    2,629.74x = 4,605,754.07
  5. Step 5: Solve for x
    x = 4,605,754.07/2,629.74
  6. Step 6: Final answer
    x = 1,751.41

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1.5x scale

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.