Home / 4,185.33-6,280.82-2,238.90

Finding the Fourth Proportional to 4,185.33, 6,280.82 and 2,238.90

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Solution

The fourth proportional to 4,185.33, 6,280.82 and 2,238.90 is: 3,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.33 : 6,280.82 = 2,238.90 : x
  2. Step 2: Convert to fraction form
    4,185.33/6,280.82 = 2,238.90/x
  3. Step 3: Cross multiply
    4,185.33x = 6,280.82 × 2,238.90
  4. Step 4: Simplify right side
    4,185.33x = 14,062,127.90
  5. Step 5: Solve for x
    x = 14,062,127.90/4,185.33
  6. Step 6: Final answer
    x = 3,359.86

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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.