Home / 3,171.49-4,757.56-1,857.23

Finding the Fourth Proportional to 3,171.49, 4,757.56 and 1,857.23

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Solution

The fourth proportional to 3,171.49, 4,757.56 and 1,857.23 is: 2,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.49 : 4,757.56 = 1,857.23 : x
  2. Step 2: Convert to fraction form
    3,171.49/4,757.56 = 1,857.23/x
  3. Step 3: Cross multiply
    3,171.49x = 4,757.56 × 1,857.23
  4. Step 4: Simplify right side
    3,171.49x = 8,835,890.41
  5. Step 5: Solve for x
    x = 8,835,890.41/3,171.49
  6. Step 6: Final answer
    x = 2,786.04

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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.