Home / 3,850.08-5,313.24-2,278.20

Finding the Fourth Proportional to 3,850.08, 5,313.24 and 2,278.20

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Solution

The fourth proportional to 3,850.08, 5,313.24 and 2,278.20 is: 3,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.08 : 5,313.24 = 2,278.20 : x
  2. Step 2: Convert to fraction form
    3,850.08/5,313.24 = 2,278.20/x
  3. Step 3: Cross multiply
    3,850.08x = 5,313.24 × 2,278.20
  4. Step 4: Simplify right side
    3,850.08x = 12,104,623.37
  5. Step 5: Solve for x
    x = 12,104,623.37/3,850.08
  6. Step 6: Final answer
    x = 3,143.99

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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.