Home / 3,722.00-5,137.16-2,229.98

Finding the Fourth Proportional to 3,722.00, 5,137.16 and 2,229.98

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Solution

The fourth proportional to 3,722.00, 5,137.16 and 2,229.98 is: 3,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.00 : 5,137.16 = 2,229.98 : x
  2. Step 2: Convert to fraction form
    3,722.00/5,137.16 = 2,229.98/x
  3. Step 3: Cross multiply
    3,722.00x = 5,137.16 × 2,229.98
  4. Step 4: Simplify right side
    3,722.00x = 11,455,727.22
  5. Step 5: Solve for x
    x = 11,455,727.22/3,722.00
  6. Step 6: Final answer
    x = 3,077.85

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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.