Home / 3,169.58-4,755.81-1,631.66

Finding the Fourth Proportional to 3,169.58, 4,755.81 and 1,631.66

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Solution

The fourth proportional to 3,169.58, 4,755.81 and 1,631.66 is: 2,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.58 : 4,755.81 = 1,631.66 : x
  2. Step 2: Convert to fraction form
    3,169.58/4,755.81 = 1,631.66/x
  3. Step 3: Cross multiply
    3,169.58x = 4,755.81 × 1,631.66
  4. Step 4: Simplify right side
    3,169.58x = 7,759,864.94
  5. Step 5: Solve for x
    x = 7,759,864.94/3,169.58
  6. Step 6: Final answer
    x = 2,448.23

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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.