Home / 1,450.62-2,175.09-1,277.64

Finding the Fourth Proportional to 1,450.62, 2,175.09 and 1,277.64

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Solution

The fourth proportional to 1,450.62, 2,175.09 and 1,277.64 is: 1,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.62 : 2,175.09 = 1,277.64 : x
  2. Step 2: Convert to fraction form
    1,450.62/2,175.09 = 1,277.64/x
  3. Step 3: Cross multiply
    1,450.62x = 2,175.09 × 1,277.64
  4. Step 4: Simplify right side
    1,450.62x = 2,778,981.99
  5. Step 5: Solve for x
    x = 2,778,981.99/1,450.62
  6. Step 6: Final answer
    x = 1,915.72

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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.