Home / 4,238.19-6,358.37-2,131.11

Finding the Fourth Proportional to 4,238.19, 6,358.37 and 2,131.11

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Solution

The fourth proportional to 4,238.19, 6,358.37 and 2,131.11 is: 3,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.19 : 6,358.37 = 2,131.11 : x
  2. Step 2: Convert to fraction form
    4,238.19/6,358.37 = 2,131.11/x
  3. Step 3: Cross multiply
    4,238.19x = 6,358.37 × 2,131.11
  4. Step 4: Simplify right side
    4,238.19x = 13,550,375.24
  5. Step 5: Solve for x
    x = 13,550,375.24/4,238.19
  6. Step 6: Final answer
    x = 3,197.21

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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.