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Finding the Fourth Proportional to 2,732.85, 3,771.18 and 1,553.94

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Solution

The fourth proportional to 2,732.85, 3,771.18 and 1,553.94 is: 2,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.85 : 3,771.18 = 1,553.94 : x
  2. Step 2: Convert to fraction form
    2,732.85/3,771.18 = 1,553.94/x
  3. Step 3: Cross multiply
    2,732.85x = 3,771.18 × 1,553.94
  4. Step 4: Simplify right side
    2,732.85x = 5,860,187.45
  5. Step 5: Solve for x
    x = 5,860,187.45/2,732.85
  6. Step 6: Final answer
    x = 2,144.35

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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.