Home / 1,450.62-2,000.25-1,078.29

Finding the Fourth Proportional to 1,450.62, 2,000.25 and 1,078.29

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Solution

The fourth proportional to 1,450.62, 2,000.25 and 1,078.29 is: 1,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.62 : 2,000.25 = 1,078.29 : x
  2. Step 2: Convert to fraction form
    1,450.62/2,000.25 = 1,078.29/x
  3. Step 3: Cross multiply
    1,450.62x = 2,000.25 × 1,078.29
  4. Step 4: Simplify right side
    1,450.62x = 2,156,849.57
  5. Step 5: Solve for x
    x = 2,156,849.57/1,450.62
  6. Step 6: Final answer
    x = 1,486.85

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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.