Home / 1,968.42-2,716.32-1,084.05

Finding the Fourth Proportional to 1,968.42, 2,716.32 and 1,084.05

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Solution

The fourth proportional to 1,968.42, 2,716.32 and 1,084.05 is: 1,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.42 : 2,716.32 = 1,084.05 : x
  2. Step 2: Convert to fraction form
    1,968.42/2,716.32 = 1,084.05/x
  3. Step 3: Cross multiply
    1,968.42x = 2,716.32 × 1,084.05
  4. Step 4: Simplify right side
    1,968.42x = 2,944,626.70
  5. Step 5: Solve for x
    x = 2,944,626.70/1,968.42
  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.