Home / 1,968.26-2,716.94-1,305.34

Finding the Fourth Proportional to 1,968.26, 2,716.94 and 1,305.34

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Solution

The fourth proportional to 1,968.26, 2,716.94 and 1,305.34 is: 1,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.26 : 2,716.94 = 1,305.34 : x
  2. Step 2: Convert to fraction form
    1,968.26/2,716.94 = 1,305.34/x
  3. Step 3: Cross multiply
    1,968.26x = 2,716.94 × 1,305.34
  4. Step 4: Simplify right side
    1,968.26x = 3,546,510.35
  5. Step 5: Solve for x
    x = 3,546,510.35/1,968.26
  6. Step 6: Final answer
    x = 1,801.85

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1.5x scale

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.