Home / 3,637.80-5,450.22-2,477.88

Finding the Fourth Proportional to 3,637.80, 5,450.22 and 2,477.88

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Solution

The fourth proportional to 3,637.80, 5,450.22 and 2,477.88 is: 3,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.80 : 5,450.22 = 2,477.88 : x
  2. Step 2: Convert to fraction form
    3,637.80/5,450.22 = 2,477.88/x
  3. Step 3: Cross multiply
    3,637.80x = 5,450.22 × 2,477.88
  4. Step 4: Simplify right side
    3,637.80x = 13,504,991.13
  5. Step 5: Solve for x
    x = 13,504,991.13/3,637.80
  6. Step 6: Final answer
    x = 3,712.41

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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.