Home / 3,190.58-4,786.84-1,631.68

Finding the Fourth Proportional to 3,190.58, 4,786.84 and 1,631.68

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Solution

The fourth proportional to 3,190.58, 4,786.84 and 1,631.68 is: 2,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.58 : 4,786.84 = 1,631.68 : x
  2. Step 2: Convert to fraction form
    3,190.58/4,786.84 = 1,631.68/x
  3. Step 3: Cross multiply
    3,190.58x = 4,786.84 × 1,631.68
  4. Step 4: Simplify right side
    3,190.58x = 7,810,567.16
  5. Step 5: Solve for x
    x = 7,810,567.16/3,190.58
  6. Step 6: Final answer
    x = 2,448.01

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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.