Home / 3,477.87-5,217.39-1,531.44

Finding the Fourth Proportional to 3,477.87, 5,217.39 and 1,531.44

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Solution

The fourth proportional to 3,477.87, 5,217.39 and 1,531.44 is: 2,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.87 : 5,217.39 = 1,531.44 : x
  2. Step 2: Convert to fraction form
    3,477.87/5,217.39 = 1,531.44/x
  3. Step 3: Cross multiply
    3,477.87x = 5,217.39 × 1,531.44
  4. Step 4: Simplify right side
    3,477.87x = 7,990,119.74
  5. Step 5: Solve for x
    x = 7,990,119.74/3,477.87
  6. Step 6: Final answer
    x = 2,297.42

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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.