Home / 3,627.80-5,005.96-2,055.56

Finding the Fourth Proportional to 3,627.80, 5,005.96 and 2,055.56

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Solution

The fourth proportional to 3,627.80, 5,005.96 and 2,055.56 is: 2,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.80 : 5,005.96 = 2,055.56 : x
  2. Step 2: Convert to fraction form
    3,627.80/5,005.96 = 2,055.56/x
  3. Step 3: Cross multiply
    3,627.80x = 5,005.96 × 2,055.56
  4. Step 4: Simplify right side
    3,627.80x = 10,290,051.14
  5. Step 5: Solve for x
    x = 10,290,051.14/3,627.80
  6. Step 6: Final answer
    x = 2,836.44

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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.