Home / 3,021.09-4,186.93-2,974.98

Finding the Fourth Proportional to 3,021.09, 4,186.93 and 2,974.98

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Solution

The fourth proportional to 3,021.09, 4,186.93 and 2,974.98 is: 4,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.09 : 4,186.93 = 2,974.98 : x
  2. Step 2: Convert to fraction form
    3,021.09/4,186.93 = 2,974.98/x
  3. Step 3: Cross multiply
    3,021.09x = 4,186.93 × 2,974.98
  4. Step 4: Simplify right side
    3,021.09x = 12,456,033.01
  5. Step 5: Solve for x
    x = 12,456,033.01/3,021.09
  6. Step 6: Final answer
    x = 4,123.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.