Home / 1,966.92-2,945.88-1,499.28

Finding the Fourth Proportional to 1,966.92, 2,945.88 and 1,499.28

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Solution

The fourth proportional to 1,966.92, 2,945.88 and 1,499.28 is: 2,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.92 : 2,945.88 = 1,499.28 : x
  2. Step 2: Convert to fraction form
    1,966.92/2,945.88 = 1,499.28/x
  3. Step 3: Cross multiply
    1,966.92x = 2,945.88 × 1,499.28
  4. Step 4: Simplify right side
    1,966.92x = 4,416,698.97
  5. Step 5: Solve for x
    x = 4,416,698.97/1,966.92
  6. Step 6: Final answer
    x = 2,245.49

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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.