Home / 3,161.30-4,368.42-2,413.94

Finding the Fourth Proportional to 3,161.30, 4,368.42 and 2,413.94

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Solution

The fourth proportional to 3,161.30, 4,368.42 and 2,413.94 is: 3,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.30 : 4,368.42 = 2,413.94 : x
  2. Step 2: Convert to fraction form
    3,161.30/4,368.42 = 2,413.94/x
  3. Step 3: Cross multiply
    3,161.30x = 4,368.42 × 2,413.94
  4. Step 4: Simplify right side
    3,161.30x = 10,545,103.77
  5. Step 5: Solve for x
    x = 10,545,103.77/3,161.30
  6. Step 6: Final answer
    x = 3,335.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.