Home / 2,852.46-3,936.90-1,674.21

Finding the Fourth Proportional to 2,852.46, 3,936.90 and 1,674.21

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Solution

The fourth proportional to 2,852.46, 3,936.90 and 1,674.21 is: 2,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.46 : 3,936.90 = 1,674.21 : x
  2. Step 2: Convert to fraction form
    2,852.46/3,936.90 = 1,674.21/x
  3. Step 3: Cross multiply
    2,852.46x = 3,936.90 × 1,674.21
  4. Step 4: Simplify right side
    2,852.46x = 6,591,197.35
  5. Step 5: Solve for x
    x = 6,591,197.35/2,852.46
  6. Step 6: Final answer
    x = 2,310.71

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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.