Home / 3,840.06-5,749.86-2,194.38

Finding the Fourth Proportional to 3,840.06, 5,749.86 and 2,194.38

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Solution

The fourth proportional to 3,840.06, 5,749.86 and 2,194.38 is: 3,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.06 : 5,749.86 = 2,194.38 : x
  2. Step 2: Convert to fraction form
    3,840.06/5,749.86 = 2,194.38/x
  3. Step 3: Cross multiply
    3,840.06x = 5,749.86 × 2,194.38
  4. Step 4: Simplify right side
    3,840.06x = 12,617,377.79
  5. Step 5: Solve for x
    x = 12,617,377.79/3,840.06
  6. Step 6: Final answer
    x = 3,285.72

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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.