Home / 3,185.68-4,398.43-2,438.33

Finding the Fourth Proportional to 3,185.68, 4,398.43 and 2,438.33

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Solution

The fourth proportional to 3,185.68, 4,398.43 and 2,438.33 is: 3,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.68 : 4,398.43 = 2,438.33 : x
  2. Step 2: Convert to fraction form
    3,185.68/4,398.43 = 2,438.33/x
  3. Step 3: Cross multiply
    3,185.68x = 4,398.43 × 2,438.33
  4. Step 4: Simplify right side
    3,185.68x = 10,724,805.82
  5. Step 5: Solve for x
    x = 10,724,805.82/3,185.68
  6. Step 6: Final answer
    x = 3,366.57

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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.