Home / 3,481.04-5,221.56-1,941.20

Finding the Fourth Proportional to 3,481.04, 5,221.56 and 1,941.20

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Solution

The fourth proportional to 3,481.04, 5,221.56 and 1,941.20 is: 2,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.04 : 5,221.56 = 1,941.20 : x
  2. Step 2: Convert to fraction form
    3,481.04/5,221.56 = 1,941.20/x
  3. Step 3: Cross multiply
    3,481.04x = 5,221.56 × 1,941.20
  4. Step 4: Simplify right side
    3,481.04x = 10,136,092.27
  5. Step 5: Solve for x
    x = 10,136,092.27/3,481.04
  6. Step 6: Final answer
    x = 2,911.80

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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.