Home / 2,486.14-3,431.37-1,895.62

Finding the Fourth Proportional to 2,486.14, 3,431.37 and 1,895.62

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Solution

The fourth proportional to 2,486.14, 3,431.37 and 1,895.62 is: 2,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.14 : 3,431.37 = 1,895.62 : x
  2. Step 2: Convert to fraction form
    2,486.14/3,431.37 = 1,895.62/x
  3. Step 3: Cross multiply
    2,486.14x = 3,431.37 × 1,895.62
  4. Step 4: Simplify right side
    2,486.14x = 6,504,573.60
  5. Step 5: Solve for x
    x = 6,504,573.60/2,486.14
  6. Step 6: Final answer
    x = 2,616.33

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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.