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Finding the Fourth Proportional to 2,336.76, 3,505.14 and 605.25

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Solution

The fourth proportional to 2,336.76, 3,505.14 and 605.25 is: 907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.76 : 3,505.14 = 605.25 : x
  2. Step 2: Convert to fraction form
    2,336.76/3,505.14 = 605.25/x
  3. Step 3: Cross multiply
    2,336.76x = 3,505.14 × 605.25
  4. Step 4: Simplify right side
    2,336.76x = 2,121,485.99
  5. Step 5: Solve for x
    x = 2,121,485.99/2,336.76
  6. Step 6: Final answer
    x = 907.88

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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.