Home / 2,852.30-3,934.60-2,321.75

Finding the Fourth Proportional to 2,852.30, 3,934.60 and 2,321.75

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Solution

The fourth proportional to 2,852.30, 3,934.60 and 2,321.75 is: 3,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.30 : 3,934.60 = 2,321.75 : x
  2. Step 2: Convert to fraction form
    2,852.30/3,934.60 = 2,321.75/x
  3. Step 3: Cross multiply
    2,852.30x = 3,934.60 × 2,321.75
  4. Step 4: Simplify right side
    2,852.30x = 9,135,161.58
  5. Step 5: Solve for x
    x = 9,135,161.58/2,852.30
  6. Step 6: Final answer
    x = 3,202.73

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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.