Home / 3,722.98-5,137.33-2,230.86

Finding the Fourth Proportional to 3,722.98, 5,137.33 and 2,230.86

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Solution

The fourth proportional to 3,722.98, 5,137.33 and 2,230.86 is: 3,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.98 : 5,137.33 = 2,230.86 : x
  2. Step 2: Convert to fraction form
    3,722.98/5,137.33 = 2,230.86/x
  3. Step 3: Cross multiply
    3,722.98x = 5,137.33 × 2,230.86
  4. Step 4: Simplify right side
    3,722.98x = 11,460,658.43
  5. Step 5: Solve for x
    x = 11,460,658.43/3,722.98
  6. Step 6: Final answer
    x = 3,078.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.