Home / 3,072.01-4,238.17-1,891.03

Finding the Fourth Proportional to 3,072.01, 4,238.17 and 1,891.03

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Solution

The fourth proportional to 3,072.01, 4,238.17 and 1,891.03 is: 2,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.01 : 4,238.17 = 1,891.03 : x
  2. Step 2: Convert to fraction form
    3,072.01/4,238.17 = 1,891.03/x
  3. Step 3: Cross multiply
    3,072.01x = 4,238.17 × 1,891.03
  4. Step 4: Simplify right side
    3,072.01x = 8,014,497.16
  5. Step 5: Solve for x
    x = 8,014,497.16/3,072.01
  6. Step 6: Final answer
    x = 2,608.88

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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.