Home / 2,771.49-3,824.63-1,512.55

Finding the Fourth Proportional to 2,771.49, 3,824.63 and 1,512.55

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Solution

The fourth proportional to 2,771.49, 3,824.63 and 1,512.55 is: 2,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.49 : 3,824.63 = 1,512.55 : x
  2. Step 2: Convert to fraction form
    2,771.49/3,824.63 = 1,512.55/x
  3. Step 3: Cross multiply
    2,771.49x = 3,824.63 × 1,512.55
  4. Step 4: Simplify right side
    2,771.49x = 5,784,944.11
  5. Step 5: Solve for x
    x = 5,784,944.11/2,771.49
  6. Step 6: Final answer
    x = 2,087.30

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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.