Home / 2,947.55-4,067.73-1,621.35

Finding the Fourth Proportional to 2,947.55, 4,067.73 and 1,621.35

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Solution

The fourth proportional to 2,947.55, 4,067.73 and 1,621.35 is: 2,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.55 : 4,067.73 = 1,621.35 : x
  2. Step 2: Convert to fraction form
    2,947.55/4,067.73 = 1,621.35/x
  3. Step 3: Cross multiply
    2,947.55x = 4,067.73 × 1,621.35
  4. Step 4: Simplify right side
    2,947.55x = 6,595,214.04
  5. Step 5: Solve for x
    x = 6,595,214.04/2,947.55
  6. Step 6: Final answer
    x = 2,237.53

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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.