Home / 3,422.69-4,723.32-1,850.79

Finding the Fourth Proportional to 3,422.69, 4,723.32 and 1,850.79

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Solution

The fourth proportional to 3,422.69, 4,723.32 and 1,850.79 is: 2,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.69 : 4,723.32 = 1,850.79 : x
  2. Step 2: Convert to fraction form
    3,422.69/4,723.32 = 1,850.79/x
  3. Step 3: Cross multiply
    3,422.69x = 4,723.32 × 1,850.79
  4. Step 4: Simplify right side
    3,422.69x = 8,741,873.42
  5. Step 5: Solve for x
    x = 8,741,873.42/3,422.69
  6. Step 6: Final answer
    x = 2,554.09

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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.