Home / 4,171.80-6,249.60-2,319.60

Finding the Fourth Proportional to 4,171.80, 6,249.60 and 2,319.60

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Solution

The fourth proportional to 4,171.80, 6,249.60 and 2,319.60 is: 3,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.80 : 6,249.60 = 2,319.60 : x
  2. Step 2: Convert to fraction form
    4,171.80/6,249.60 = 2,319.60/x
  3. Step 3: Cross multiply
    4,171.80x = 6,249.60 × 2,319.60
  4. Step 4: Simplify right side
    4,171.80x = 14,496,572.16
  5. Step 5: Solve for x
    x = 14,496,572.16/4,171.80
  6. Step 6: Final answer
    x = 3,474.90

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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.