Home / 1,966.65-2,714.33-1,180.75

Finding the Fourth Proportional to 1,966.65, 2,714.33 and 1,180.75

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Solution

The fourth proportional to 1,966.65, 2,714.33 and 1,180.75 is: 1,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.65 : 2,714.33 = 1,180.75 : x
  2. Step 2: Convert to fraction form
    1,966.65/2,714.33 = 1,180.75/x
  3. Step 3: Cross multiply
    1,966.65x = 2,714.33 × 1,180.75
  4. Step 4: Simplify right side
    1,966.65x = 3,204,945.15
  5. Step 5: Solve for x
    x = 3,204,945.15/1,966.65
  6. Step 6: Final answer
    x = 1,629.65

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.