Home / 1,880.39-2,816.94-1,450.28

Finding the Fourth Proportional to 1,880.39, 2,816.94 and 1,450.28

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Solution

The fourth proportional to 1,880.39, 2,816.94 and 1,450.28 is: 2,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.39 : 2,816.94 = 1,450.28 : x
  2. Step 2: Convert to fraction form
    1,880.39/2,816.94 = 1,450.28/x
  3. Step 3: Cross multiply
    1,880.39x = 2,816.94 × 1,450.28
  4. Step 4: Simplify right side
    1,880.39x = 4,085,351.74
  5. Step 5: Solve for x
    x = 4,085,351.74/1,880.39
  6. Step 6: Final answer
    x = 2,172.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.