Home / 3,481.04-5,220.14-1,631.80

Finding the Fourth Proportional to 3,481.04, 5,220.14 and 1,631.80

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Solution

The fourth proportional to 3,481.04, 5,220.14 and 1,631.80 is: 2,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.04 : 5,220.14 = 1,631.80 : x
  2. Step 2: Convert to fraction form
    3,481.04/5,220.14 = 1,631.80/x
  3. Step 3: Cross multiply
    3,481.04x = 5,220.14 × 1,631.80
  4. Step 4: Simplify right side
    3,481.04x = 8,518,224.45
  5. Step 5: Solve for x
    x = 8,518,224.45/3,481.04
  6. Step 6: Final answer
    x = 2,447.03

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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.