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Finding the Fourth Proportional to 3,604.33, 5,406.78 and 2,636.56

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Solution

The fourth proportional to 3,604.33, 5,406.78 and 2,636.56 is: 3,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.33 : 5,406.78 = 2,636.56 : x
  2. Step 2: Convert to fraction form
    3,604.33/5,406.78 = 2,636.56/x
  3. Step 3: Cross multiply
    3,604.33x = 5,406.78 × 2,636.56
  4. Step 4: Simplify right side
    3,604.33x = 14,255,299.88
  5. Step 5: Solve for x
    x = 14,255,299.88/3,604.33
  6. Step 6: Final answer
    x = 3,955.05

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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.