Home / 3,844.50-5,305.41-2,188.50

Finding the Fourth Proportional to 3,844.50, 5,305.41 and 2,188.50

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Solution

The fourth proportional to 3,844.50, 5,305.41 and 2,188.50 is: 3,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.50 : 5,305.41 = 2,188.50 : x
  2. Step 2: Convert to fraction form
    3,844.50/5,305.41 = 2,188.50/x
  3. Step 3: Cross multiply
    3,844.50x = 5,305.41 × 2,188.50
  4. Step 4: Simplify right side
    3,844.50x = 11,610,889.79
  5. Step 5: Solve for x
    x = 11,610,889.79/3,844.50
  6. Step 6: Final answer
    x = 3,020.13

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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.