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Finding the Fourth Proportional to 3,668.70, 5,505.02 and 2,436.69

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Solution

The fourth proportional to 3,668.70, 5,505.02 and 2,436.69 is: 3,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.70 : 5,505.02 = 2,436.69 : x
  2. Step 2: Convert to fraction form
    3,668.70/5,505.02 = 2,436.69/x
  3. Step 3: Cross multiply
    3,668.70x = 5,505.02 × 2,436.69
  4. Step 4: Simplify right side
    3,668.70x = 13,414,015.00
  5. Step 5: Solve for x
    x = 13,414,015.00/3,668.70
  6. Step 6: Final answer
    x = 3,656.34

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1.5x scale

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.