Home / 2,449.31-3,380.33-1,401.71

Finding the Fourth Proportional to 2,449.31, 3,380.33 and 1,401.71

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Solution

The fourth proportional to 2,449.31, 3,380.33 and 1,401.71 is: 1,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.31 : 3,380.33 = 1,401.71 : x
  2. Step 2: Convert to fraction form
    2,449.31/3,380.33 = 1,401.71/x
  3. Step 3: Cross multiply
    2,449.31x = 3,380.33 × 1,401.71
  4. Step 4: Simplify right side
    2,449.31x = 4,738,228.97
  5. Step 5: Solve for x
    x = 4,738,228.97/2,449.31
  6. Step 6: Final answer
    x = 1,934.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.