Home / 3,042.21-4,561.64-1,872.64

Finding the Fourth Proportional to 3,042.21, 4,561.64 and 1,872.64

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Solution

The fourth proportional to 3,042.21, 4,561.64 and 1,872.64 is: 2,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.21 : 4,561.64 = 1,872.64 : x
  2. Step 2: Convert to fraction form
    3,042.21/4,561.64 = 1,872.64/x
  3. Step 3: Cross multiply
    3,042.21x = 4,561.64 × 1,872.64
  4. Step 4: Simplify right side
    3,042.21x = 8,542,304.85
  5. Step 5: Solve for x
    x = 8,542,304.85/3,042.21
  6. Step 6: Final answer
    x = 2,807.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.