Home / 2,771.03-3,823.99-1,512.07

Finding the Fourth Proportional to 2,771.03, 3,823.99 and 1,512.07

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Solution

The fourth proportional to 2,771.03, 3,823.99 and 1,512.07 is: 2,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.03 : 3,823.99 = 1,512.07 : x
  2. Step 2: Convert to fraction form
    2,771.03/3,823.99 = 1,512.07/x
  3. Step 3: Cross multiply
    2,771.03x = 3,823.99 × 1,512.07
  4. Step 4: Simplify right side
    2,771.03x = 5,782,158.21
  5. Step 5: Solve for x
    x = 5,782,158.21/2,771.03
  6. Step 6: Final answer
    x = 2,086.65

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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.