Home / 3,176.77-4,771.31-1,946.58

Finding the Fourth Proportional to 3,176.77, 4,771.31 and 1,946.58

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Solution

The fourth proportional to 3,176.77, 4,771.31 and 1,946.58 is: 2,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.77 : 4,771.31 = 1,946.58 : x
  2. Step 2: Convert to fraction form
    3,176.77/4,771.31 = 1,946.58/x
  3. Step 3: Cross multiply
    3,176.77x = 4,771.31 × 1,946.58
  4. Step 4: Simplify right side
    3,176.77x = 9,287,735.83
  5. Step 5: Solve for x
    x = 9,287,735.83/3,176.77
  6. Step 6: Final answer
    x = 2,923.64

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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.