Home / 3,194.02-4,786.20-1,631.70

Finding the Fourth Proportional to 3,194.02, 4,786.20 and 1,631.70

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Solution

The fourth proportional to 3,194.02, 4,786.20 and 1,631.70 is: 2,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.02 : 4,786.20 = 1,631.70 : x
  2. Step 2: Convert to fraction form
    3,194.02/4,786.20 = 1,631.70/x
  3. Step 3: Cross multiply
    3,194.02x = 4,786.20 × 1,631.70
  4. Step 4: Simplify right side
    3,194.02x = 7,809,642.54
  5. Step 5: Solve for x
    x = 7,809,642.54/3,194.02
  6. Step 6: Final answer
    x = 2,445.08

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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.