Home / 3,722.08-5,137.01-2,230.06

Finding the Fourth Proportional to 3,722.08, 5,137.01 and 2,230.06

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Solution

The fourth proportional to 3,722.08, 5,137.01 and 2,230.06 is: 3,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.08 : 5,137.01 = 2,230.06 : x
  2. Step 2: Convert to fraction form
    3,722.08/5,137.01 = 2,230.06/x
  3. Step 3: Cross multiply
    3,722.08x = 5,137.01 × 2,230.06
  4. Step 4: Simplify right side
    3,722.08x = 11,455,829.37
  5. Step 5: Solve for x
    x = 11,455,829.37/3,722.08
  6. Step 6: Final answer
    x = 3,077.80

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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.