Home / 3,669.44-5,505.93-1,820.21

Finding the Fourth Proportional to 3,669.44, 5,505.93 and 1,820.21

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Solution

The fourth proportional to 3,669.44, 5,505.93 and 1,820.21 is: 2,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.44 : 5,505.93 = 1,820.21 : x
  2. Step 2: Convert to fraction form
    3,669.44/5,505.93 = 1,820.21/x
  3. Step 3: Cross multiply
    3,669.44x = 5,505.93 × 1,820.21
  4. Step 4: Simplify right side
    3,669.44x = 10,021,921.32
  5. Step 5: Solve for x
    x = 10,021,921.32/3,669.44
  6. Step 6: Final answer
    x = 2,731.19

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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.