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Finding the Fourth Proportional to 2,732.60, 3,771.03 and 1,553.67

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Solution

The fourth proportional to 2,732.60, 3,771.03 and 1,553.67 is: 2,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.60 : 3,771.03 = 1,553.67 : x
  2. Step 2: Convert to fraction form
    2,732.60/3,771.03 = 1,553.67/x
  3. Step 3: Cross multiply
    2,732.60x = 3,771.03 × 1,553.67
  4. Step 4: Simplify right side
    2,732.60x = 5,858,936.18
  5. Step 5: Solve for x
    x = 5,858,936.18/2,732.60
  6. Step 6: Final answer
    x = 2,144.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.