Home / 2,942.32-4,413.38-1,381.45

Finding the Fourth Proportional to 2,942.32, 4,413.38 and 1,381.45

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Solution

The fourth proportional to 2,942.32, 4,413.38 and 1,381.45 is: 2,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.32 : 4,413.38 = 1,381.45 : x
  2. Step 2: Convert to fraction form
    2,942.32/4,413.38 = 1,381.45/x
  3. Step 3: Cross multiply
    2,942.32x = 4,413.38 × 1,381.45
  4. Step 4: Simplify right side
    2,942.32x = 6,096,863.80
  5. Step 5: Solve for x
    x = 6,096,863.80/2,942.32
  6. Step 6: Final answer
    x = 2,072.13

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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.