Home / 3,439.05-4,745.80-1,947.33

Finding the Fourth Proportional to 3,439.05, 4,745.80 and 1,947.33

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Solution

The fourth proportional to 3,439.05, 4,745.80 and 1,947.33 is: 2,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.05 : 4,745.80 = 1,947.33 : x
  2. Step 2: Convert to fraction form
    3,439.05/4,745.80 = 1,947.33/x
  3. Step 3: Cross multiply
    3,439.05x = 4,745.80 × 1,947.33
  4. Step 4: Simplify right side
    3,439.05x = 9,241,641.15
  5. Step 5: Solve for x
    x = 9,241,641.15/3,439.05
  6. Step 6: Final answer
    x = 2,687.27

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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.