Home / 3,195.46-4,409.69-1,798.21

Finding the Fourth Proportional to 3,195.46, 4,409.69 and 1,798.21

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Solution

The fourth proportional to 3,195.46, 4,409.69 and 1,798.21 is: 2,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.46 : 4,409.69 = 1,798.21 : x
  2. Step 2: Convert to fraction form
    3,195.46/4,409.69 = 1,798.21/x
  3. Step 3: Cross multiply
    3,195.46x = 4,409.69 × 1,798.21
  4. Step 4: Simplify right side
    3,195.46x = 7,929,548.65
  5. Step 5: Solve for x
    x = 7,929,548.65/3,195.46
  6. Step 6: Final answer
    x = 2,481.50

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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.