Home / 3,609.41-5,414.12-2,628.47

Finding the Fourth Proportional to 3,609.41, 5,414.12 and 2,628.47

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Solution

The fourth proportional to 3,609.41, 5,414.12 and 2,628.47 is: 3,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.41 : 5,414.12 = 2,628.47 : x
  2. Step 2: Convert to fraction form
    3,609.41/5,414.12 = 2,628.47/x
  3. Step 3: Cross multiply
    3,609.41x = 5,414.12 × 2,628.47
  4. Step 4: Simplify right side
    3,609.41x = 14,230,811.78
  5. Step 5: Solve for x
    x = 14,230,811.78/3,609.41
  6. Step 6: Final answer
    x = 3,942.70

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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.