Home / 3,631.47-5,447.97-2,072.19

Finding the Fourth Proportional to 3,631.47, 5,447.97 and 2,072.19

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Solution

The fourth proportional to 3,631.47, 5,447.97 and 2,072.19 is: 3,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.47 : 5,447.97 = 2,072.19 : x
  2. Step 2: Convert to fraction form
    3,631.47/5,447.97 = 2,072.19/x
  3. Step 3: Cross multiply
    3,631.47x = 5,447.97 × 2,072.19
  4. Step 4: Simplify right side
    3,631.47x = 11,289,228.95
  5. Step 5: Solve for x
    x = 11,289,228.95/3,631.47
  6. Step 6: Final answer
    x = 3,108.72

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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.