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Finding the Fourth Proportional to 2,201.81, 3,302.71 and 558.36

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Solution

The fourth proportional to 2,201.81, 3,302.71 and 558.36 is: 837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.81 : 3,302.71 = 558.36 : x
  2. Step 2: Convert to fraction form
    2,201.81/3,302.71 = 558.36/x
  3. Step 3: Cross multiply
    2,201.81x = 3,302.71 × 558.36
  4. Step 4: Simplify right side
    2,201.81x = 1,844,088.97
  5. Step 5: Solve for x
    x = 1,844,088.97/2,201.81
  6. Step 6: Final answer
    x = 837.53

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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.