Home / 3,718.12-5,583.66-2,938.90

Finding the Fourth Proportional to 3,718.12, 5,583.66 and 2,938.90

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Solution

The fourth proportional to 3,718.12, 5,583.66 and 2,938.90 is: 4,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.12 : 5,583.66 = 2,938.90 : x
  2. Step 2: Convert to fraction form
    3,718.12/5,583.66 = 2,938.90/x
  3. Step 3: Cross multiply
    3,718.12x = 5,583.66 × 2,938.90
  4. Step 4: Simplify right side
    3,718.12x = 16,409,818.37
  5. Step 5: Solve for x
    x = 16,409,818.37/3,718.12
  6. Step 6: Final answer
    x = 4,413.47

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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.