Home / 2,439.96-3,367.22-1,392

Finding the Fourth Proportional to 2,439.96, 3,367.22 and 1,392

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Solution

The fourth proportional to 2,439.96, 3,367.22 and 1,392 is: 1,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.96 : 3,367.22 = 1,392 : x
  2. Step 2: Convert to fraction form
    2,439.96/3,367.22 = 1,392/x
  3. Step 3: Cross multiply
    2,439.96x = 3,367.22 × 1,392
  4. Step 4: Simplify right side
    2,439.96x = 4,687,163.28
  5. Step 5: Solve for x
    x = 4,687,163.28/2,439.96
  6. Step 6: Final answer
    x = 1,921.00

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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.