Home / 3,621.33-5,415.39-2,697.53

Finding the Fourth Proportional to 3,621.33, 5,415.39 and 2,697.53

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Solution

The fourth proportional to 3,621.33, 5,415.39 and 2,697.53 is: 4,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.33 : 5,415.39 = 2,697.53 : x
  2. Step 2: Convert to fraction form
    3,621.33/5,415.39 = 2,697.53/x
  3. Step 3: Cross multiply
    3,621.33x = 5,415.39 × 2,697.53
  4. Step 4: Simplify right side
    3,621.33x = 14,608,149.91
  5. Step 5: Solve for x
    x = 14,608,149.91/3,621.33
  6. Step 6: Final answer
    x = 4,033.92

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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.