Home / 3,617.75-5,422.53-2,153.83

Finding the Fourth Proportional to 3,617.75, 5,422.53 and 2,153.83

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Solution

The fourth proportional to 3,617.75, 5,422.53 and 2,153.83 is: 3,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.75 : 5,422.53 = 2,153.83 : x
  2. Step 2: Convert to fraction form
    3,617.75/5,422.53 = 2,153.83/x
  3. Step 3: Cross multiply
    3,617.75x = 5,422.53 × 2,153.83
  4. Step 4: Simplify right side
    3,617.75x = 11,679,207.79
  5. Step 5: Solve for x
    x = 11,679,207.79/3,617.75
  6. Step 6: Final answer
    x = 3,228.31

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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.