Home / 1,968.58-2,716.30-1,182.65

Finding the Fourth Proportional to 1,968.58, 2,716.30 and 1,182.65

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Solution

The fourth proportional to 1,968.58, 2,716.30 and 1,182.65 is: 1,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.58 : 2,716.30 = 1,182.65 : x
  2. Step 2: Convert to fraction form
    1,968.58/2,716.30 = 1,182.65/x
  3. Step 3: Cross multiply
    1,968.58x = 2,716.30 × 1,182.65
  4. Step 4: Simplify right side
    1,968.58x = 3,212,412.70
  5. Step 5: Solve for x
    x = 3,212,412.70/1,968.58
  6. Step 6: Final answer
    x = 1,631.84

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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.