Home / 3,816.65-5,267.54-2,223.83

Finding the Fourth Proportional to 3,816.65, 5,267.54 and 2,223.83

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Solution

The fourth proportional to 3,816.65, 5,267.54 and 2,223.83 is: 3,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.65 : 5,267.54 = 2,223.83 : x
  2. Step 2: Convert to fraction form
    3,816.65/5,267.54 = 2,223.83/x
  3. Step 3: Cross multiply
    3,816.65x = 5,267.54 × 2,223.83
  4. Step 4: Simplify right side
    3,816.65x = 11,714,092.70
  5. Step 5: Solve for x
    x = 11,714,092.70/3,816.65
  6. Step 6: Final answer
    x = 3,069.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.