Home / 3,623.85-5,435.67-2,153.16

Finding the Fourth Proportional to 3,623.85, 5,435.67 and 2,153.16

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Solution

The fourth proportional to 3,623.85, 5,435.67 and 2,153.16 is: 3,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.85 : 5,435.67 = 2,153.16 : x
  2. Step 2: Convert to fraction form
    3,623.85/5,435.67 = 2,153.16/x
  3. Step 3: Cross multiply
    3,623.85x = 5,435.67 × 2,153.16
  4. Step 4: Simplify right side
    3,623.85x = 11,703,867.22
  5. Step 5: Solve for x
    x = 11,703,867.22/3,623.85
  6. Step 6: Final answer
    x = 3,229.68

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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.