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Finding the Fourth Proportional to 3,751.85, 5,634.44 and 3,560.42

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Solution

The fourth proportional to 3,751.85, 5,634.44 and 3,560.42 is: 5,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.85 : 5,634.44 = 3,560.42 : x
  2. Step 2: Convert to fraction form
    3,751.85/5,634.44 = 3,560.42/x
  3. Step 3: Cross multiply
    3,751.85x = 5,634.44 × 3,560.42
  4. Step 4: Simplify right side
    3,751.85x = 20,060,972.86
  5. Step 5: Solve for x
    x = 20,060,972.86/3,751.85
  6. Step 6: Final answer
    x = 5,346.95

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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.