Home / 3,825.84-5,282.40-2,940.24

Finding the Fourth Proportional to 3,825.84, 5,282.40 and 2,940.24

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Solution

The fourth proportional to 3,825.84, 5,282.40 and 2,940.24 is: 4,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.84 : 5,282.40 = 2,940.24 : x
  2. Step 2: Convert to fraction form
    3,825.84/5,282.40 = 2,940.24/x
  3. Step 3: Cross multiply
    3,825.84x = 5,282.40 × 2,940.24
  4. Step 4: Simplify right side
    3,825.84x = 15,531,523.78
  5. Step 5: Solve for x
    x = 15,531,523.78/3,825.84
  6. Step 6: Final answer
    x = 4,059.64

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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.