Home / 3,919.05-5,870.88-2,946.24

Finding the Fourth Proportional to 3,919.05, 5,870.88 and 2,946.24

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Solution

The fourth proportional to 3,919.05, 5,870.88 and 2,946.24 is: 4,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.05 : 5,870.88 = 2,946.24 : x
  2. Step 2: Convert to fraction form
    3,919.05/5,870.88 = 2,946.24/x
  3. Step 3: Cross multiply
    3,919.05x = 5,870.88 × 2,946.24
  4. Step 4: Simplify right side
    3,919.05x = 17,297,021.49
  5. Step 5: Solve for x
    x = 17,297,021.49/3,919.05
  6. Step 6: Final answer
    x = 4,413.58

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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.