Home / 3,634.76-5,450.85-1,685.63

Finding the Fourth Proportional to 3,634.76, 5,450.85 and 1,685.63

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Solution

The fourth proportional to 3,634.76, 5,450.85 and 1,685.63 is: 2,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.76 : 5,450.85 = 1,685.63 : x
  2. Step 2: Convert to fraction form
    3,634.76/5,450.85 = 1,685.63/x
  3. Step 3: Cross multiply
    3,634.76x = 5,450.85 × 1,685.63
  4. Step 4: Simplify right side
    3,634.76x = 9,188,089.03
  5. Step 5: Solve for x
    x = 9,188,089.03/3,634.76
  6. Step 6: Final answer
    x = 2,527.84

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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.