Home / 3,910.52-5,866.74-1,137.39

Finding the Fourth Proportional to 3,910.52, 5,866.74 and 1,137.39

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Solution

The fourth proportional to 3,910.52, 5,866.74 and 1,137.39 is: 1,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.52 : 5,866.74 = 1,137.39 : x
  2. Step 2: Convert to fraction form
    3,910.52/5,866.74 = 1,137.39/x
  3. Step 3: Cross multiply
    3,910.52x = 5,866.74 × 1,137.39
  4. Step 4: Simplify right side
    3,910.52x = 6,672,771.41
  5. Step 5: Solve for x
    x = 6,672,771.41/3,910.52
  6. Step 6: Final answer
    x = 1,706.37

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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.