Home / 3,439.72-4,750.41-2,844.37

Finding the Fourth Proportional to 3,439.72, 4,750.41 and 2,844.37

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Solution

The fourth proportional to 3,439.72, 4,750.41 and 2,844.37 is: 3,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.72 : 4,750.41 = 2,844.37 : x
  2. Step 2: Convert to fraction form
    3,439.72/4,750.41 = 2,844.37/x
  3. Step 3: Cross multiply
    3,439.72x = 4,750.41 × 2,844.37
  4. Step 4: Simplify right side
    3,439.72x = 13,511,923.69
  5. Step 5: Solve for x
    x = 13,511,923.69/3,439.72
  6. Step 6: Final answer
    x = 3,928.20

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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.