Home / 3,147.95-4,716.05-2,104.88

Finding the Fourth Proportional to 3,147.95, 4,716.05 and 2,104.88

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Solution

The fourth proportional to 3,147.95, 4,716.05 and 2,104.88 is: 3,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.95 : 4,716.05 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    3,147.95/4,716.05 = 2,104.88/x
  3. Step 3: Cross multiply
    3,147.95x = 4,716.05 × 2,104.88
  4. Step 4: Simplify right side
    3,147.95x = 9,926,685.22
  5. Step 5: Solve for x
    x = 9,926,685.22/3,147.95
  6. Step 6: Final answer
    x = 3,153.39

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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.