Home / 3,760.53-5,189.82-2,188.50

Finding the Fourth Proportional to 3,760.53, 5,189.82 and 2,188.50

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Solution

The fourth proportional to 3,760.53, 5,189.82 and 2,188.50 is: 3,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.53 : 5,189.82 = 2,188.50 : x
  2. Step 2: Convert to fraction form
    3,760.53/5,189.82 = 2,188.50/x
  3. Step 3: Cross multiply
    3,760.53x = 5,189.82 × 2,188.50
  4. Step 4: Simplify right side
    3,760.53x = 11,357,921.07
  5. Step 5: Solve for x
    x = 11,357,921.07/3,760.53
  6. Step 6: Final answer
    x = 3,020.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.