Home / 3,905.54-5,389.05-2,227.03

Finding the Fourth Proportional to 3,905.54, 5,389.05 and 2,227.03

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Solution

The fourth proportional to 3,905.54, 5,389.05 and 2,227.03 is: 3,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.54 : 5,389.05 = 2,227.03 : x
  2. Step 2: Convert to fraction form
    3,905.54/5,389.05 = 2,227.03/x
  3. Step 3: Cross multiply
    3,905.54x = 5,389.05 × 2,227.03
  4. Step 4: Simplify right side
    3,905.54x = 12,001,576.02
  5. Step 5: Solve for x
    x = 12,001,576.02/3,905.54
  6. Step 6: Final answer
    x = 3,072.96

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1.5x scale

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.