Home / 3,850.09-5,774.59-1,384.54

Finding the Fourth Proportional to 3,850.09, 5,774.59 and 1,384.54

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Solution

The fourth proportional to 3,850.09, 5,774.59 and 1,384.54 is: 2,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.09 : 5,774.59 = 1,384.54 : x
  2. Step 2: Convert to fraction form
    3,850.09/5,774.59 = 1,384.54/x
  3. Step 3: Cross multiply
    3,850.09x = 5,774.59 × 1,384.54
  4. Step 4: Simplify right side
    3,850.09x = 7,995,150.84
  5. Step 5: Solve for x
    x = 7,995,150.84/3,850.09
  6. Step 6: Final answer
    x = 2,076.61

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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.