Home / 3,188.10-4,396.03-2,179.97

Finding the Fourth Proportional to 3,188.10, 4,396.03 and 2,179.97

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Solution

The fourth proportional to 3,188.10, 4,396.03 and 2,179.97 is: 3,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.10 : 4,396.03 = 2,179.97 : x
  2. Step 2: Convert to fraction form
    3,188.10/4,396.03 = 2,179.97/x
  3. Step 3: Cross multiply
    3,188.10x = 4,396.03 × 2,179.97
  4. Step 4: Simplify right side
    3,188.10x = 9,583,213.52
  5. Step 5: Solve for x
    x = 9,583,213.52/3,188.10
  6. Step 6: Final answer
    x = 3,005.93

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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.