Home / 1,968.81-2,716.97-1,084.61

Finding the Fourth Proportional to 1,968.81, 2,716.97 and 1,084.61

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Solution

The fourth proportional to 1,968.81, 2,716.97 and 1,084.61 is: 1,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.81 : 2,716.97 = 1,084.61 : x
  2. Step 2: Convert to fraction form
    1,968.81/2,716.97 = 1,084.61/x
  3. Step 3: Cross multiply
    1,968.81x = 2,716.97 × 1,084.61
  4. Step 4: Simplify right side
    1,968.81x = 2,946,833.82
  5. Step 5: Solve for x
    x = 2,946,833.82/1,968.81
  6. Step 6: Final answer
    x = 1,496.76

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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.