Home / 3,919.25-5,880.39-1,726.44

Finding the Fourth Proportional to 3,919.25, 5,880.39 and 1,726.44

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Solution

The fourth proportional to 3,919.25, 5,880.39 and 1,726.44 is: 2,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.25 : 5,880.39 = 1,726.44 : x
  2. Step 2: Convert to fraction form
    3,919.25/5,880.39 = 1,726.44/x
  3. Step 3: Cross multiply
    3,919.25x = 5,880.39 × 1,726.44
  4. Step 4: Simplify right side
    3,919.25x = 10,152,140.51
  5. Step 5: Solve for x
    x = 10,152,140.51/3,919.25
  6. Step 6: Final answer
    x = 2,590.33

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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.