Home / 3,171.67-4,753.26-1,784.32

Finding the Fourth Proportional to 3,171.67, 4,753.26 and 1,784.32

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Solution

The fourth proportional to 3,171.67, 4,753.26 and 1,784.32 is: 2,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.67 : 4,753.26 = 1,784.32 : x
  2. Step 2: Convert to fraction form
    3,171.67/4,753.26 = 1,784.32/x
  3. Step 3: Cross multiply
    3,171.67x = 4,753.26 × 1,784.32
  4. Step 4: Simplify right side
    3,171.67x = 8,481,336.88
  5. Step 5: Solve for x
    x = 8,481,336.88/3,171.67
  6. Step 6: Final answer
    x = 2,674.09

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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.