Home / 2,947.24-4,067.16-1,621.02

Finding the Fourth Proportional to 2,947.24, 4,067.16 and 1,621.02

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Solution

The fourth proportional to 2,947.24, 4,067.16 and 1,621.02 is: 2,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.24 : 4,067.16 = 1,621.02 : x
  2. Step 2: Convert to fraction form
    2,947.24/4,067.16 = 1,621.02/x
  3. Step 3: Cross multiply
    2,947.24x = 4,067.16 × 1,621.02
  4. Step 4: Simplify right side
    2,947.24x = 6,592,947.70
  5. Step 5: Solve for x
    x = 6,592,947.70/2,947.24
  6. Step 6: Final answer
    x = 2,236.99

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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.