Home / 2,438.28-3,363.99-1,375.92

Finding the Fourth Proportional to 2,438.28, 3,363.99 and 1,375.92

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Solution

The fourth proportional to 2,438.28, 3,363.99 and 1,375.92 is: 1,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.28 : 3,363.99 = 1,375.92 : x
  2. Step 2: Convert to fraction form
    2,438.28/3,363.99 = 1,375.92/x
  3. Step 3: Cross multiply
    2,438.28x = 3,363.99 × 1,375.92
  4. Step 4: Simplify right side
    2,438.28x = 4,628,581.12
  5. Step 5: Solve for x
    x = 4,628,581.12/2,438.28
  6. Step 6: Final answer
    x = 1,898.30

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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.