Home / 2,853.42-3,936.46-1,673.96

Finding the Fourth Proportional to 2,853.42, 3,936.46 and 1,673.96

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Solution

The fourth proportional to 2,853.42, 3,936.46 and 1,673.96 is: 2,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.42 : 3,936.46 = 1,673.96 : x
  2. Step 2: Convert to fraction form
    2,853.42/3,936.46 = 1,673.96/x
  3. Step 3: Cross multiply
    2,853.42x = 3,936.46 × 1,673.96
  4. Step 4: Simplify right side
    2,853.42x = 6,589,456.90
  5. Step 5: Solve for x
    x = 6,589,456.90/2,853.42
  6. Step 6: Final answer
    x = 2,309.32

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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.