Home / 3,652.47-5,474.39-2,190.69

Finding the Fourth Proportional to 3,652.47, 5,474.39 and 2,190.69

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Solution

The fourth proportional to 3,652.47, 5,474.39 and 2,190.69 is: 3,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.47 : 5,474.39 = 2,190.69 : x
  2. Step 2: Convert to fraction form
    3,652.47/5,474.39 = 2,190.69/x
  3. Step 3: Cross multiply
    3,652.47x = 5,474.39 × 2,190.69
  4. Step 4: Simplify right side
    3,652.47x = 11,992,680.48
  5. Step 5: Solve for x
    x = 11,992,680.48/3,652.47
  6. Step 6: Final answer
    x = 3,283.44

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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.