Home / 3,177.41-4,764.19-1,422.09

Finding the Fourth Proportional to 3,177.41, 4,764.19 and 1,422.09

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Solution

The fourth proportional to 3,177.41, 4,764.19 and 1,422.09 is: 2,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.41 : 4,764.19 = 1,422.09 : x
  2. Step 2: Convert to fraction form
    3,177.41/4,764.19 = 1,422.09/x
  3. Step 3: Cross multiply
    3,177.41x = 4,764.19 × 1,422.09
  4. Step 4: Simplify right side
    3,177.41x = 6,775,090.87
  5. Step 5: Solve for x
    x = 6,775,090.87/3,177.41
  6. Step 6: Final answer
    x = 2,132.27

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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.