Home / 2,942.19-4,413.36-862.26

Finding the Fourth Proportional to 2,942.19, 4,413.36 and 862.26

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Solution

The fourth proportional to 2,942.19, 4,413.36 and 862.26 is: 1,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.19 : 4,413.36 = 862.26 : x
  2. Step 2: Convert to fraction form
    2,942.19/4,413.36 = 862.26/x
  3. Step 3: Cross multiply
    2,942.19x = 4,413.36 × 862.26
  4. Step 4: Simplify right side
    2,942.19x = 3,805,463.79
  5. Step 5: Solve for x
    x = 3,805,463.79/2,942.19
  6. Step 6: Final answer
    x = 1,293.41

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1.5x scale

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.