Home / 3,190.31-4,786.14-1,609.93

Finding the Fourth Proportional to 3,190.31, 4,786.14 and 1,609.93

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Solution

The fourth proportional to 3,190.31, 4,786.14 and 1,609.93 is: 2,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.31 : 4,786.14 = 1,609.93 : x
  2. Step 2: Convert to fraction form
    3,190.31/4,786.14 = 1,609.93/x
  3. Step 3: Cross multiply
    3,190.31x = 4,786.14 × 1,609.93
  4. Step 4: Simplify right side
    3,190.31x = 7,705,350.37
  5. Step 5: Solve for x
    x = 7,705,350.37/3,190.31
  6. Step 6: Final answer
    x = 2,415.24

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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.