Home / 3,040.96-4,190.40-2,198.96

Finding the Fourth Proportional to 3,040.96, 4,190.40 and 2,198.96

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Solution

The fourth proportional to 3,040.96, 4,190.40 and 2,198.96 is: 3,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.96 : 4,190.40 = 2,198.96 : x
  2. Step 2: Convert to fraction form
    3,040.96/4,190.40 = 2,198.96/x
  3. Step 3: Cross multiply
    3,040.96x = 4,190.40 × 2,198.96
  4. Step 4: Simplify right side
    3,040.96x = 9,214,521.98
  5. Step 5: Solve for x
    x = 9,214,521.98/3,040.96
  6. Step 6: Final answer
    x = 3,030.14

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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.