Home / 2,218.74-3,328.19-1,892.06

Finding the Fourth Proportional to 2,218.74, 3,328.19 and 1,892.06

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Solution

The fourth proportional to 2,218.74, 3,328.19 and 1,892.06 is: 2,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.74 : 3,328.19 = 1,892.06 : x
  2. Step 2: Convert to fraction form
    2,218.74/3,328.19 = 1,892.06/x
  3. Step 3: Cross multiply
    2,218.74x = 3,328.19 × 1,892.06
  4. Step 4: Simplify right side
    2,218.74x = 6,297,128.65
  5. Step 5: Solve for x
    x = 6,297,128.65/2,218.74
  6. Step 6: Final answer
    x = 2,838.15

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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.