Home / 4,231.42-6,348.62-1,891.22

Finding the Fourth Proportional to 4,231.42, 6,348.62 and 1,891.22

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Solution

The fourth proportional to 4,231.42, 6,348.62 and 1,891.22 is: 2,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.42 : 6,348.62 = 1,891.22 : x
  2. Step 2: Convert to fraction form
    4,231.42/6,348.62 = 1,891.22/x
  3. Step 3: Cross multiply
    4,231.42x = 6,348.62 × 1,891.22
  4. Step 4: Simplify right side
    4,231.42x = 12,006,610.10
  5. Step 5: Solve for x
    x = 12,006,610.10/4,231.42
  6. Step 6: Final answer
    x = 2,837.49

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1.5x scale

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.