Home / 3,518.14-4,850.47-2,189.47

Finding the Fourth Proportional to 3,518.14, 4,850.47 and 2,189.47

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Solution

The fourth proportional to 3,518.14, 4,850.47 and 2,189.47 is: 3,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.14 : 4,850.47 = 2,189.47 : x
  2. Step 2: Convert to fraction form
    3,518.14/4,850.47 = 2,189.47/x
  3. Step 3: Cross multiply
    3,518.14x = 4,850.47 × 2,189.47
  4. Step 4: Simplify right side
    3,518.14x = 10,619,958.55
  5. Step 5: Solve for x
    x = 10,619,958.55/3,518.14
  6. Step 6: Final answer
    x = 3,018.63

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1.5x scale

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.