Home / 3,425.37-5,138.75-1,234.11

Finding the Fourth Proportional to 3,425.37, 5,138.75 and 1,234.11

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Solution

The fourth proportional to 3,425.37, 5,138.75 and 1,234.11 is: 1,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.37 : 5,138.75 = 1,234.11 : x
  2. Step 2: Convert to fraction form
    3,425.37/5,138.75 = 1,234.11/x
  3. Step 3: Cross multiply
    3,425.37x = 5,138.75 × 1,234.11
  4. Step 4: Simplify right side
    3,425.37x = 6,341,782.76
  5. Step 5: Solve for x
    x = 6,341,782.76/3,425.37
  6. Step 6: Final answer
    x = 1,851.42

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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.