Home / 3,678.04-5,517.82-1,213.01

Finding the Fourth Proportional to 3,678.04, 5,517.82 and 1,213.01

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Solution

The fourth proportional to 3,678.04, 5,517.82 and 1,213.01 is: 1,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.04 : 5,517.82 = 1,213.01 : x
  2. Step 2: Convert to fraction form
    3,678.04/5,517.82 = 1,213.01/x
  3. Step 3: Cross multiply
    3,678.04x = 5,517.82 × 1,213.01
  4. Step 4: Simplify right side
    3,678.04x = 6,693,170.84
  5. Step 5: Solve for x
    x = 6,693,170.84/3,678.04
  6. Step 6: Final answer
    x = 1,819.77

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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.