Home / 2,039.92-2,815.66-1,450.64

Finding the Fourth Proportional to 2,039.92, 2,815.66 and 1,450.64

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Solution

The fourth proportional to 2,039.92, 2,815.66 and 1,450.64 is: 2,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.92 : 2,815.66 = 1,450.64 : x
  2. Step 2: Convert to fraction form
    2,039.92/2,815.66 = 1,450.64/x
  3. Step 3: Cross multiply
    2,039.92x = 2,815.66 × 1,450.64
  4. Step 4: Simplify right side
    2,039.92x = 4,084,517.87
  5. Step 5: Solve for x
    x = 4,084,517.87/2,039.92
  6. Step 6: Final answer
    x = 2,002.30

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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.