Home / 1,960.75-2,706.21-1,164.25

Finding the Fourth Proportional to 1,960.75, 2,706.21 and 1,164.25

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Solution

The fourth proportional to 1,960.75, 2,706.21 and 1,164.25 is: 1,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.75 : 2,706.21 = 1,164.25 : x
  2. Step 2: Convert to fraction form
    1,960.75/2,706.21 = 1,164.25/x
  3. Step 3: Cross multiply
    1,960.75x = 2,706.21 × 1,164.25
  4. Step 4: Simplify right side
    1,960.75x = 3,150,704.99
  5. Step 5: Solve for x
    x = 3,150,704.99/1,960.75
  6. Step 6: Final answer
    x = 1,606.89

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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.