Home / 1,968.67-2,716.73-1,084.55

Finding the Fourth Proportional to 1,968.67, 2,716.73 and 1,084.55

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Solution

The fourth proportional to 1,968.67, 2,716.73 and 1,084.55 is: 1,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.67 : 2,716.73 = 1,084.55 : x
  2. Step 2: Convert to fraction form
    1,968.67/2,716.73 = 1,084.55/x
  3. Step 3: Cross multiply
    1,968.67x = 2,716.73 × 1,084.55
  4. Step 4: Simplify right side
    1,968.67x = 2,946,434.96
  5. Step 5: Solve for x
    x = 2,946,434.96/1,968.67
  6. Step 6: Final answer
    x = 1,496.66

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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.