Home / 1,968.21-2,716.12-1,084.01

Finding the Fourth Proportional to 1,968.21, 2,716.12 and 1,084.01

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Solution

The fourth proportional to 1,968.21, 2,716.12 and 1,084.01 is: 1,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.21 : 2,716.12 = 1,084.01 : x
  2. Step 2: Convert to fraction form
    1,968.21/2,716.12 = 1,084.01/x
  3. Step 3: Cross multiply
    1,968.21x = 2,716.12 × 1,084.01
  4. Step 4: Simplify right side
    1,968.21x = 2,944,304.29
  5. Step 5: Solve for x
    x = 2,944,304.29/1,968.21
  6. Step 6: Final answer
    x = 1,495.93

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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.