Home / 2,947.44-4,067.46-1,621.22

Finding the Fourth Proportional to 2,947.44, 4,067.46 and 1,621.22

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Solution

The fourth proportional to 2,947.44, 4,067.46 and 1,621.22 is: 2,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.44 : 4,067.46 = 1,621.22 : x
  2. Step 2: Convert to fraction form
    2,947.44/4,067.46 = 1,621.22/x
  3. Step 3: Cross multiply
    2,947.44x = 4,067.46 × 1,621.22
  4. Step 4: Simplify right side
    2,947.44x = 6,594,247.50
  5. Step 5: Solve for x
    x = 6,594,247.50/2,947.44
  6. Step 6: Final answer
    x = 2,237.28

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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.