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Finding the Fourth Proportional to 3,751.37, 5,173.93 and 3,499.86

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Solution

The fourth proportional to 3,751.37, 5,173.93 and 3,499.86 is: 4,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.37 : 5,173.93 = 3,499.86 : x
  2. Step 2: Convert to fraction form
    3,751.37/5,173.93 = 3,499.86/x
  3. Step 3: Cross multiply
    3,751.37x = 5,173.93 × 3,499.86
  4. Step 4: Simplify right side
    3,751.37x = 18,108,021.90
  5. Step 5: Solve for x
    x = 18,108,021.90/3,751.37
  6. Step 6: Final answer
    x = 4,827.05

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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.