Home / 3,968.91-5,477.05-2,200.55

Finding the Fourth Proportional to 3,968.91, 5,477.05 and 2,200.55

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Solution

The fourth proportional to 3,968.91, 5,477.05 and 2,200.55 is: 3,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.91 : 5,477.05 = 2,200.55 : x
  2. Step 2: Convert to fraction form
    3,968.91/5,477.05 = 2,200.55/x
  3. Step 3: Cross multiply
    3,968.91x = 5,477.05 × 2,200.55
  4. Step 4: Simplify right side
    3,968.91x = 12,052,511.37
  5. Step 5: Solve for x
    x = 12,052,511.37/3,968.91
  6. Step 6: Final answer
    x = 3,036.73

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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.