Home / 3,106.82-4,653.84-1,642.88

Finding the Fourth Proportional to 3,106.82, 4,653.84 and 1,642.88

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Solution

The fourth proportional to 3,106.82, 4,653.84 and 1,642.88 is: 2,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.82 : 4,653.84 = 1,642.88 : x
  2. Step 2: Convert to fraction form
    3,106.82/4,653.84 = 1,642.88/x
  3. Step 3: Cross multiply
    3,106.82x = 4,653.84 × 1,642.88
  4. Step 4: Simplify right side
    3,106.82x = 7,645,700.66
  5. Step 5: Solve for x
    x = 7,645,700.66/3,106.82
  6. Step 6: Final answer
    x = 2,460.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.