Home / 3,379.70-5,067.12-2,281.34

Finding the Fourth Proportional to 3,379.70, 5,067.12 and 2,281.34

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Solution

The fourth proportional to 3,379.70, 5,067.12 and 2,281.34 is: 3,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.70 : 5,067.12 = 2,281.34 : x
  2. Step 2: Convert to fraction form
    3,379.70/5,067.12 = 2,281.34/x
  3. Step 3: Cross multiply
    3,379.70x = 5,067.12 × 2,281.34
  4. Step 4: Simplify right side
    3,379.70x = 11,559,823.54
  5. Step 5: Solve for x
    x = 11,559,823.54/3,379.70
  6. Step 6: Final answer
    x = 3,420.37

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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.