Home / 3,072.10-4,233.44-2,185.42

Finding the Fourth Proportional to 3,072.10, 4,233.44 and 2,185.42

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Solution

The fourth proportional to 3,072.10, 4,233.44 and 2,185.42 is: 3,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.10 : 4,233.44 = 2,185.42 : x
  2. Step 2: Convert to fraction form
    3,072.10/4,233.44 = 2,185.42/x
  3. Step 3: Cross multiply
    3,072.10x = 4,233.44 × 2,185.42
  4. Step 4: Simplify right side
    3,072.10x = 9,251,844.44
  5. Step 5: Solve for x
    x = 9,251,844.44/3,072.10
  6. Step 6: Final answer
    x = 3,011.57

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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.