Home / 2,942.24-4,413.36-2,905.80

Finding the Fourth Proportional to 2,942.24, 4,413.36 and 2,905.80

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Solution

The fourth proportional to 2,942.24, 4,413.36 and 2,905.80 is: 4,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.24 : 4,413.36 = 2,905.80 : x
  2. Step 2: Convert to fraction form
    2,942.24/4,413.36 = 2,905.80/x
  3. Step 3: Cross multiply
    2,942.24x = 4,413.36 × 2,905.80
  4. Step 4: Simplify right side
    2,942.24x = 12,824,341.49
  5. Step 5: Solve for x
    x = 12,824,341.49/2,942.24
  6. Step 6: Final answer
    x = 4,358.70

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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.