Home / 3,642.42-5,463.26-2,180.50

Finding the Fourth Proportional to 3,642.42, 5,463.26 and 2,180.50

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Solution

The fourth proportional to 3,642.42, 5,463.26 and 2,180.50 is: 3,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.42 : 5,463.26 = 2,180.50 : x
  2. Step 2: Convert to fraction form
    3,642.42/5,463.26 = 2,180.50/x
  3. Step 3: Cross multiply
    3,642.42x = 5,463.26 × 2,180.50
  4. Step 4: Simplify right side
    3,642.42x = 11,912,638.43
  5. Step 5: Solve for x
    x = 11,912,638.43/3,642.42
  6. Step 6: Final answer
    x = 3,270.53

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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.