Home / 3,187.55-4,777.25-2,571.55

Finding the Fourth Proportional to 3,187.55, 4,777.25 and 2,571.55

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Solution

The fourth proportional to 3,187.55, 4,777.25 and 2,571.55 is: 3,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.55 : 4,777.25 = 2,571.55 : x
  2. Step 2: Convert to fraction form
    3,187.55/4,777.25 = 2,571.55/x
  3. Step 3: Cross multiply
    3,187.55x = 4,777.25 × 2,571.55
  4. Step 4: Simplify right side
    3,187.55x = 12,284,919.78
  5. Step 5: Solve for x
    x = 12,284,919.78/3,187.55
  6. Step 6: Final answer
    x = 3,854.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.