Home / 3,850.34-5,313.47-2,081.94

Finding the Fourth Proportional to 3,850.34, 5,313.47 and 2,081.94

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Solution

The fourth proportional to 3,850.34, 5,313.47 and 2,081.94 is: 2,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.34 : 5,313.47 = 2,081.94 : x
  2. Step 2: Convert to fraction form
    3,850.34/5,313.47 = 2,081.94/x
  3. Step 3: Cross multiply
    3,850.34x = 5,313.47 × 2,081.94
  4. Step 4: Simplify right side
    3,850.34x = 11,062,315.32
  5. Step 5: Solve for x
    x = 11,062,315.32/3,850.34
  6. Step 6: Final answer
    x = 2,873.08

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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.