Home / 2,169.45-3,253.77-1,073.25

Finding the Fourth Proportional to 2,169.45, 3,253.77 and 1,073.25

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Solution

The fourth proportional to 2,169.45, 3,253.77 and 1,073.25 is: 1,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.45 : 3,253.77 = 1,073.25 : x
  2. Step 2: Convert to fraction form
    2,169.45/3,253.77 = 1,073.25/x
  3. Step 3: Cross multiply
    2,169.45x = 3,253.77 × 1,073.25
  4. Step 4: Simplify right side
    2,169.45x = 3,492,108.65
  5. Step 5: Solve for x
    x = 3,492,108.65/2,169.45
  6. Step 6: Final answer
    x = 1,609.67

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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.