Home / 2,033.28-3,046.38-991.86

Finding the Fourth Proportional to 2,033.28, 3,046.38 and 991.86

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Solution

The fourth proportional to 2,033.28, 3,046.38 and 991.86 is: 1,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.28 : 3,046.38 = 991.86 : x
  2. Step 2: Convert to fraction form
    2,033.28/3,046.38 = 991.86/x
  3. Step 3: Cross multiply
    2,033.28x = 3,046.38 × 991.86
  4. Step 4: Simplify right side
    2,033.28x = 3,021,582.47
  5. Step 5: Solve for x
    x = 3,021,582.47/2,033.28
  6. Step 6: Final answer
    x = 1,486.06

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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.