Home / 3,137.50-4,706.73-946.18

Finding the Fourth Proportional to 3,137.50, 4,706.73 and 946.18

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Solution

The fourth proportional to 3,137.50, 4,706.73 and 946.18 is: 1,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.50 : 4,706.73 = 946.18 : x
  2. Step 2: Convert to fraction form
    3,137.50/4,706.73 = 946.18/x
  3. Step 3: Cross multiply
    3,137.50x = 4,706.73 × 946.18
  4. Step 4: Simplify right side
    3,137.50x = 4,453,413.79
  5. Step 5: Solve for x
    x = 4,453,413.79/3,137.50
  6. Step 6: Final answer
    x = 1,419.41

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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.