Home / 3,621.21-5,431.86-2,453.52

Finding the Fourth Proportional to 3,621.21, 5,431.86 and 2,453.52

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Solution

The fourth proportional to 3,621.21, 5,431.86 and 2,453.52 is: 3,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.21 : 5,431.86 = 2,453.52 : x
  2. Step 2: Convert to fraction form
    3,621.21/5,431.86 = 2,453.52/x
  3. Step 3: Cross multiply
    3,621.21x = 5,431.86 × 2,453.52
  4. Step 4: Simplify right side
    3,621.21x = 13,327,177.15
  5. Step 5: Solve for x
    x = 13,327,177.15/3,621.21
  6. Step 6: Final answer
    x = 3,680.31

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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.