Home / 1,960.40-2,704.59-1,711.73

Finding the Fourth Proportional to 1,960.40, 2,704.59 and 1,711.73

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Solution

The fourth proportional to 1,960.40, 2,704.59 and 1,711.73 is: 2,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.40 : 2,704.59 = 1,711.73 : x
  2. Step 2: Convert to fraction form
    1,960.40/2,704.59 = 1,711.73/x
  3. Step 3: Cross multiply
    1,960.40x = 2,704.59 × 1,711.73
  4. Step 4: Simplify right side
    1,960.40x = 4,629,534.60
  5. Step 5: Solve for x
    x = 4,629,534.60/1,960.40
  6. Step 6: Final answer
    x = 2,361.52

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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.