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Finding the Fourth Proportional to 3,751.86, 5,177.88 and 2,073.60

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Solution

The fourth proportional to 3,751.86, 5,177.88 and 2,073.60 is: 2,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.86 : 5,177.88 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    3,751.86/5,177.88 = 2,073.60/x
  3. Step 3: Cross multiply
    3,751.86x = 5,177.88 × 2,073.60
  4. Step 4: Simplify right side
    3,751.86x = 10,736,850.04
  5. Step 5: Solve for x
    x = 10,736,850.04/3,751.86
  6. Step 6: Final answer
    x = 2,861.74

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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.