Home / 3,026.19-4,174.97-2,231.39

Finding the Fourth Proportional to 3,026.19, 4,174.97 and 2,231.39

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Solution

The fourth proportional to 3,026.19, 4,174.97 and 2,231.39 is: 3,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.19 : 4,174.97 = 2,231.39 : x
  2. Step 2: Convert to fraction form
    3,026.19/4,174.97 = 2,231.39/x
  3. Step 3: Cross multiply
    3,026.19x = 4,174.97 × 2,231.39
  4. Step 4: Simplify right side
    3,026.19x = 9,315,977.94
  5. Step 5: Solve for x
    x = 9,315,977.94/3,026.19
  6. Step 6: Final answer
    x = 3,078.46

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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.