Home / 3,466.47-5,185.38-3,171.78

Finding the Fourth Proportional to 3,466.47, 5,185.38 and 3,171.78

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Solution

The fourth proportional to 3,466.47, 5,185.38 and 3,171.78 is: 4,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.47 : 5,185.38 = 3,171.78 : x
  2. Step 2: Convert to fraction form
    3,466.47/5,185.38 = 3,171.78/x
  3. Step 3: Cross multiply
    3,466.47x = 5,185.38 × 3,171.78
  4. Step 4: Simplify right side
    3,466.47x = 16,446,858.65
  5. Step 5: Solve for x
    x = 16,446,858.65/3,466.47
  6. Step 6: Final answer
    x = 4,744.56

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1.5x scale

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.