Home / 3,190.11-4,788.06-1,631.22

Finding the Fourth Proportional to 3,190.11, 4,788.06 and 1,631.22

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Solution

The fourth proportional to 3,190.11, 4,788.06 and 1,631.22 is: 2,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.11 : 4,788.06 = 1,631.22 : x
  2. Step 2: Convert to fraction form
    3,190.11/4,788.06 = 1,631.22/x
  3. Step 3: Cross multiply
    3,190.11x = 4,788.06 × 1,631.22
  4. Step 4: Simplify right side
    3,190.11x = 7,810,379.23
  5. Step 5: Solve for x
    x = 7,810,379.23/3,190.11
  6. Step 6: Final answer
    x = 2,448.31

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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.