Home / 3,947.07-5,922.87-1,606.65

Finding the Fourth Proportional to 3,947.07, 5,922.87 and 1,606.65

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Solution

The fourth proportional to 3,947.07, 5,922.87 and 1,606.65 is: 2,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.07 : 5,922.87 = 1,606.65 : x
  2. Step 2: Convert to fraction form
    3,947.07/5,922.87 = 1,606.65/x
  3. Step 3: Cross multiply
    3,947.07x = 5,922.87 × 1,606.65
  4. Step 4: Simplify right side
    3,947.07x = 9,515,979.09
  5. Step 5: Solve for x
    x = 9,515,979.09/3,947.07
  6. Step 6: Final answer
    x = 2,410.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.