Home / 3,321.14-4,971.68-2,878.27

Finding the Fourth Proportional to 3,321.14, 4,971.68 and 2,878.27

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Solution

The fourth proportional to 3,321.14, 4,971.68 and 2,878.27 is: 4,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.14 : 4,971.68 = 2,878.27 : x
  2. Step 2: Convert to fraction form
    3,321.14/4,971.68 = 2,878.27/x
  3. Step 3: Cross multiply
    3,321.14x = 4,971.68 × 2,878.27
  4. Step 4: Simplify right side
    3,321.14x = 14,309,821.37
  5. Step 5: Solve for x
    x = 14,309,821.37/3,321.14
  6. Step 6: Final answer
    x = 4,308.71

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1.5x scale

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.