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Finding the Fourth Proportional to 2,160.99, 3,241.22 and 601.11

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Solution

The fourth proportional to 2,160.99, 3,241.22 and 601.11 is: 901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.99 : 3,241.22 = 601.11 : x
  2. Step 2: Convert to fraction form
    2,160.99/3,241.22 = 601.11/x
  3. Step 3: Cross multiply
    2,160.99x = 3,241.22 × 601.11
  4. Step 4: Simplify right side
    2,160.99x = 1,948,326.75
  5. Step 5: Solve for x
    x = 1,948,326.75/2,160.99
  6. Step 6: Final answer
    x = 901.59

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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.