Home / 2,450.87-3,382.76-1,507.49

Finding the Fourth Proportional to 2,450.87, 3,382.76 and 1,507.49

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Solution

The fourth proportional to 2,450.87, 3,382.76 and 1,507.49 is: 2,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.87 : 3,382.76 = 1,507.49 : x
  2. Step 2: Convert to fraction form
    2,450.87/3,382.76 = 1,507.49/x
  3. Step 3: Cross multiply
    2,450.87x = 3,382.76 × 1,507.49
  4. Step 4: Simplify right side
    2,450.87x = 5,099,476.87
  5. Step 5: Solve for x
    x = 5,099,476.87/2,450.87
  6. Step 6: Final answer
    x = 2,080.68

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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.