Home / 3,380.36-5,070.54-1,072.04

Finding the Fourth Proportional to 3,380.36, 5,070.54 and 1,072.04

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Solution

The fourth proportional to 3,380.36, 5,070.54 and 1,072.04 is: 1,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.36 : 5,070.54 = 1,072.04 : x
  2. Step 2: Convert to fraction form
    3,380.36/5,070.54 = 1,072.04/x
  3. Step 3: Cross multiply
    3,380.36x = 5,070.54 × 1,072.04
  4. Step 4: Simplify right side
    3,380.36x = 5,435,821.70
  5. Step 5: Solve for x
    x = 5,435,821.70/3,380.36
  6. Step 6: Final answer
    x = 1,608.06

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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.