Home / 3,142.80-4,714.26-1,194.60

Finding the Fourth Proportional to 3,142.80, 4,714.26 and 1,194.60

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Solution

The fourth proportional to 3,142.80, 4,714.26 and 1,194.60 is: 1,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.80 : 4,714.26 = 1,194.60 : x
  2. Step 2: Convert to fraction form
    3,142.80/4,714.26 = 1,194.60/x
  3. Step 3: Cross multiply
    3,142.80x = 4,714.26 × 1,194.60
  4. Step 4: Simplify right side
    3,142.80x = 5,631,655.00
  5. Step 5: Solve for x
    x = 5,631,655.00/3,142.80
  6. Step 6: Final answer
    x = 1,791.92

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1.5x scale

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.