Home / 3,968.87-5,477.02-2,200.59

Finding the Fourth Proportional to 3,968.87, 5,477.02 and 2,200.59

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Solution

The fourth proportional to 3,968.87, 5,477.02 and 2,200.59 is: 3,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.87 : 5,477.02 = 2,200.59 : x
  2. Step 2: Convert to fraction form
    3,968.87/5,477.02 = 2,200.59/x
  3. Step 3: Cross multiply
    3,968.87x = 5,477.02 × 2,200.59
  4. Step 4: Simplify right side
    3,968.87x = 12,052,669.94
  5. Step 5: Solve for x
    x = 12,052,669.94/3,968.87
  6. Step 6: Final answer
    x = 3,036.81

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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.