Home / 1,450.72-2,176.85-1,372.32

Finding the Fourth Proportional to 1,450.72, 2,176.85 and 1,372.32

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Solution

The fourth proportional to 1,450.72, 2,176.85 and 1,372.32 is: 2,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.72 : 2,176.85 = 1,372.32 : x
  2. Step 2: Convert to fraction form
    1,450.72/2,176.85 = 1,372.32/x
  3. Step 3: Cross multiply
    1,450.72x = 2,176.85 × 1,372.32
  4. Step 4: Simplify right side
    1,450.72x = 2,987,334.79
  5. Step 5: Solve for x
    x = 2,987,334.79/1,450.72
  6. Step 6: Final answer
    x = 2,059.21

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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.