Home / 2,201.56-3,302.46-558.12

Finding the Fourth Proportional to 2,201.56, 3,302.46 and 558.12

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Solution

The fourth proportional to 2,201.56, 3,302.46 and 558.12 is: 837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.56 : 3,302.46 = 558.12 : x
  2. Step 2: Convert to fraction form
    2,201.56/3,302.46 = 558.12/x
  3. Step 3: Cross multiply
    2,201.56x = 3,302.46 × 558.12
  4. Step 4: Simplify right side
    2,201.56x = 1,843,160.69
  5. Step 5: Solve for x
    x = 1,843,160.69/2,201.56
  6. Step 6: Final answer
    x = 837.21

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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.