Home / 3,631.97-5,448.74-2,072.72

Finding the Fourth Proportional to 3,631.97, 5,448.74 and 2,072.72

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Solution

The fourth proportional to 3,631.97, 5,448.74 and 2,072.72 is: 3,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.97 : 5,448.74 = 2,072.72 : x
  2. Step 2: Convert to fraction form
    3,631.97/5,448.74 = 2,072.72/x
  3. Step 3: Cross multiply
    3,631.97x = 5,448.74 × 2,072.72
  4. Step 4: Simplify right side
    3,631.97x = 11,293,715.63
  5. Step 5: Solve for x
    x = 11,293,715.63/3,631.97
  6. Step 6: Final answer
    x = 3,109.53

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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.