Home / 1,969.44-2,716.92-1,271.04

Finding the Fourth Proportional to 1,969.44, 2,716.92 and 1,271.04

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Solution

The fourth proportional to 1,969.44, 2,716.92 and 1,271.04 is: 1,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.44 : 2,716.92 = 1,271.04 : x
  2. Step 2: Convert to fraction form
    1,969.44/2,716.92 = 1,271.04/x
  3. Step 3: Cross multiply
    1,969.44x = 2,716.92 × 1,271.04
  4. Step 4: Simplify right side
    1,969.44x = 3,453,314.00
  5. Step 5: Solve for x
    x = 3,453,314.00/1,969.44
  6. Step 6: Final answer
    x = 1,753.45

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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.