Home / 3,042.20-4,198.22-1,644.94

Finding the Fourth Proportional to 3,042.20, 4,198.22 and 1,644.94

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Solution

The fourth proportional to 3,042.20, 4,198.22 and 1,644.94 is: 2,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.20 : 4,198.22 = 1,644.94 : x
  2. Step 2: Convert to fraction form
    3,042.20/4,198.22 = 1,644.94/x
  3. Step 3: Cross multiply
    3,042.20x = 4,198.22 × 1,644.94
  4. Step 4: Simplify right side
    3,042.20x = 6,905,820.01
  5. Step 5: Solve for x
    x = 6,905,820.01/3,042.20
  6. Step 6: Final answer
    x = 2,270.01

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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.