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Finding the Fourth Proportional to 2,336.58, 3,505.11 and 605.22

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Solution

The fourth proportional to 2,336.58, 3,505.11 and 605.22 is: 907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.58 : 3,505.11 = 605.22 : x
  2. Step 2: Convert to fraction form
    2,336.58/3,505.11 = 605.22/x
  3. Step 3: Cross multiply
    2,336.58x = 3,505.11 × 605.22
  4. Step 4: Simplify right side
    2,336.58x = 2,121,362.67
  5. Step 5: Solve for x
    x = 2,121,362.67/2,336.58
  6. Step 6: Final answer
    x = 907.89

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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.