Home / 3,021.66-4,169.18-1,761.96

Finding the Fourth Proportional to 3,021.66, 4,169.18 and 1,761.96

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Solution

The fourth proportional to 3,021.66, 4,169.18 and 1,761.96 is: 2,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.66 : 4,169.18 = 1,761.96 : x
  2. Step 2: Convert to fraction form
    3,021.66/4,169.18 = 1,761.96/x
  3. Step 3: Cross multiply
    3,021.66x = 4,169.18 × 1,761.96
  4. Step 4: Simplify right side
    3,021.66x = 7,345,928.39
  5. Step 5: Solve for x
    x = 7,345,928.39/3,021.66
  6. Step 6: Final answer
    x = 2,431.09

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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.