Home / 3,910.84-5,866.56-1,137.56

Finding the Fourth Proportional to 3,910.84, 5,866.56 and 1,137.56

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Solution

The fourth proportional to 3,910.84, 5,866.56 and 1,137.56 is: 1,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.84 : 5,866.56 = 1,137.56 : x
  2. Step 2: Convert to fraction form
    3,910.84/5,866.56 = 1,137.56/x
  3. Step 3: Cross multiply
    3,910.84x = 5,866.56 × 1,137.56
  4. Step 4: Simplify right side
    3,910.84x = 6,673,534.66
  5. Step 5: Solve for x
    x = 6,673,534.66/3,910.84
  6. Step 6: Final answer
    x = 1,706.42

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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.