Home / 1,489.02-2,228.76-1,049.73

Finding the Fourth Proportional to 1,489.02, 2,228.76 and 1,049.73

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Solution

The fourth proportional to 1,489.02, 2,228.76 and 1,049.73 is: 1,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.02 : 2,228.76 = 1,049.73 : x
  2. Step 2: Convert to fraction form
    1,489.02/2,228.76 = 1,049.73/x
  3. Step 3: Cross multiply
    1,489.02x = 2,228.76 × 1,049.73
  4. Step 4: Simplify right side
    1,489.02x = 2,339,596.23
  5. Step 5: Solve for x
    x = 2,339,596.23/1,489.02
  6. Step 6: Final answer
    x = 1,571.23

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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.