Home / 1,968.71-2,716.65-1,084.48

Finding the Fourth Proportional to 1,968.71, 2,716.65 and 1,084.48

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Solution

The fourth proportional to 1,968.71, 2,716.65 and 1,084.48 is: 1,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.71 : 2,716.65 = 1,084.48 : x
  2. Step 2: Convert to fraction form
    1,968.71/2,716.65 = 1,084.48/x
  3. Step 3: Cross multiply
    1,968.71x = 2,716.65 × 1,084.48
  4. Step 4: Simplify right side
    1,968.71x = 2,946,145.80
  5. Step 5: Solve for x
    x = 2,946,145.80/1,968.71
  6. Step 6: Final answer
    x = 1,496.49

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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.