Home / 2,825.19-3,900.23-2,194.31

Finding the Fourth Proportional to 2,825.19, 3,900.23 and 2,194.31

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Solution

The fourth proportional to 2,825.19, 3,900.23 and 2,194.31 is: 3,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.19 : 3,900.23 = 2,194.31 : x
  2. Step 2: Convert to fraction form
    2,825.19/3,900.23 = 2,194.31/x
  3. Step 3: Cross multiply
    2,825.19x = 3,900.23 × 2,194.31
  4. Step 4: Simplify right side
    2,825.19x = 8,558,318.42
  5. Step 5: Solve for x
    x = 8,558,318.42/2,825.19
  6. Step 6: Final answer
    x = 3,029.29

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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.