Home / 3,889.32-5,367.68-2,396.96

Finding the Fourth Proportional to 3,889.32, 5,367.68 and 2,396.96

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Solution

The fourth proportional to 3,889.32, 5,367.68 and 2,396.96 is: 3,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.32 : 5,367.68 = 2,396.96 : x
  2. Step 2: Convert to fraction form
    3,889.32/5,367.68 = 2,396.96/x
  3. Step 3: Cross multiply
    3,889.32x = 5,367.68 × 2,396.96
  4. Step 4: Simplify right side
    3,889.32x = 12,866,114.25
  5. Step 5: Solve for x
    x = 12,866,114.25/3,889.32
  6. Step 6: Final answer
    x = 3,308.06

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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.