Home / 3,021.24-4,530.78-1,635.60

Finding the Fourth Proportional to 3,021.24, 4,530.78 and 1,635.60

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Solution

The fourth proportional to 3,021.24, 4,530.78 and 1,635.60 is: 2,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.24 : 4,530.78 = 1,635.60 : x
  2. Step 2: Convert to fraction form
    3,021.24/4,530.78 = 1,635.60/x
  3. Step 3: Cross multiply
    3,021.24x = 4,530.78 × 1,635.60
  4. Step 4: Simplify right side
    3,021.24x = 7,410,543.77
  5. Step 5: Solve for x
    x = 7,410,543.77/3,021.24
  6. Step 6: Final answer
    x = 2,452.82

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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.