Home / 2,614.32-3,921.39-1,226.88

Finding the Fourth Proportional to 2,614.32, 3,921.39 and 1,226.88

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Solution

The fourth proportional to 2,614.32, 3,921.39 and 1,226.88 is: 1,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.32 : 3,921.39 = 1,226.88 : x
  2. Step 2: Convert to fraction form
    2,614.32/3,921.39 = 1,226.88/x
  3. Step 3: Cross multiply
    2,614.32x = 3,921.39 × 1,226.88
  4. Step 4: Simplify right side
    2,614.32x = 4,811,074.96
  5. Step 5: Solve for x
    x = 4,811,074.96/2,614.32
  6. Step 6: Final answer
    x = 1,840.28

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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.