Home / 3,142.04-4,712.86-1,194.20

Finding the Fourth Proportional to 3,142.04, 4,712.86 and 1,194.20

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Solution

The fourth proportional to 3,142.04, 4,712.86 and 1,194.20 is: 1,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.04 : 4,712.86 = 1,194.20 : x
  2. Step 2: Convert to fraction form
    3,142.04/4,712.86 = 1,194.20/x
  3. Step 3: Cross multiply
    3,142.04x = 4,712.86 × 1,194.20
  4. Step 4: Simplify right side
    3,142.04x = 5,628,070.86
  5. Step 5: Solve for x
    x = 5,628,070.86/3,142.04
  6. Step 6: Final answer
    x = 1,791.21

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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.