Home / 2,772.04-3,825.25-1,512.84

Finding the Fourth Proportional to 2,772.04, 3,825.25 and 1,512.84

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Solution

The fourth proportional to 2,772.04, 3,825.25 and 1,512.84 is: 2,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.04 : 3,825.25 = 1,512.84 : x
  2. Step 2: Convert to fraction form
    2,772.04/3,825.25 = 1,512.84/x
  3. Step 3: Cross multiply
    2,772.04x = 3,825.25 × 1,512.84
  4. Step 4: Simplify right side
    2,772.04x = 5,787,010.28
  5. Step 5: Solve for x
    x = 5,787,010.28/2,772.04
  6. Step 6: Final answer
    x = 2,087.64

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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.