Home / 3,850.56-5,775.36-1,252.80

Finding the Fourth Proportional to 3,850.56, 5,775.36 and 1,252.80

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Solution

The fourth proportional to 3,850.56, 5,775.36 and 1,252.80 is: 1,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.56 : 5,775.36 = 1,252.80 : x
  2. Step 2: Convert to fraction form
    3,850.56/5,775.36 = 1,252.80/x
  3. Step 3: Cross multiply
    3,850.56x = 5,775.36 × 1,252.80
  4. Step 4: Simplify right side
    3,850.56x = 7,235,371.01
  5. Step 5: Solve for x
    x = 7,235,371.01/3,850.56
  6. Step 6: Final answer
    x = 1,879.04

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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.