Home / 3,721.23-5,581.83-1,412.73

Finding the Fourth Proportional to 3,721.23, 5,581.83 and 1,412.73

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Solution

The fourth proportional to 3,721.23, 5,581.83 and 1,412.73 is: 2,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.23 : 5,581.83 = 1,412.73 : x
  2. Step 2: Convert to fraction form
    3,721.23/5,581.83 = 1,412.73/x
  3. Step 3: Cross multiply
    3,721.23x = 5,581.83 × 1,412.73
  4. Step 4: Simplify right side
    3,721.23x = 7,885,618.70
  5. Step 5: Solve for x
    x = 7,885,618.70/3,721.23
  6. Step 6: Final answer
    x = 2,119.09

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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.