Home / 3,669.28-5,505.04-1,072.24

Finding the Fourth Proportional to 3,669.28, 5,505.04 and 1,072.24

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Solution

The fourth proportional to 3,669.28, 5,505.04 and 1,072.24 is: 1,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.28 : 5,505.04 = 1,072.24 : x
  2. Step 2: Convert to fraction form
    3,669.28/5,505.04 = 1,072.24/x
  3. Step 3: Cross multiply
    3,669.28x = 5,505.04 × 1,072.24
  4. Step 4: Simplify right side
    3,669.28x = 5,902,724.09
  5. Step 5: Solve for x
    x = 5,902,724.09/3,669.28
  6. Step 6: Final answer
    x = 1,608.69

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1.5x scale

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.