Home / 2,149.02-3,221.91-1,453.95

Finding the Fourth Proportional to 2,149.02, 3,221.91 and 1,453.95

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Solution

The fourth proportional to 2,149.02, 3,221.91 and 1,453.95 is: 2,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.02 : 3,221.91 = 1,453.95 : x
  2. Step 2: Convert to fraction form
    2,149.02/3,221.91 = 1,453.95/x
  3. Step 3: Cross multiply
    2,149.02x = 3,221.91 × 1,453.95
  4. Step 4: Simplify right side
    2,149.02x = 4,684,496.04
  5. Step 5: Solve for x
    x = 4,684,496.04/2,149.02
  6. Step 6: Final answer
    x = 2,179.83

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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.