Home / 2,450.89-3,382.82-1,403.56

Finding the Fourth Proportional to 2,450.89, 3,382.82 and 1,403.56

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Solution

The fourth proportional to 2,450.89, 3,382.82 and 1,403.56 is: 1,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.89 : 3,382.82 = 1,403.56 : x
  2. Step 2: Convert to fraction form
    2,450.89/3,382.82 = 1,403.56/x
  3. Step 3: Cross multiply
    2,450.89x = 3,382.82 × 1,403.56
  4. Step 4: Simplify right side
    2,450.89x = 4,747,990.84
  5. Step 5: Solve for x
    x = 4,747,990.84/2,450.89
  6. Step 6: Final answer
    x = 1,937.25

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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.