Home / 3,366-4,645.14-1,968.72

Finding the Fourth Proportional to 3,366, 4,645.14 and 1,968.72

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Solution

The fourth proportional to 3,366, 4,645.14 and 1,968.72 is: 2,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366 : 4,645.14 = 1,968.72 : x
  2. Step 2: Convert to fraction form
    3,366/4,645.14 = 1,968.72/x
  3. Step 3: Cross multiply
    3,366x = 4,645.14 × 1,968.72
  4. Step 4: Simplify right side
    3,366x = 9,144,980.02
  5. Step 5: Solve for x
    x = 9,144,980.02/3,366
  6. Step 6: Final answer
    x = 2,716.87

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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.