Home / 4,080.96-5,631.75-2,217.96

Finding the Fourth Proportional to 4,080.96, 5,631.75 and 2,217.96

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Solution

The fourth proportional to 4,080.96, 5,631.75 and 2,217.96 is: 3,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.96 : 5,631.75 = 2,217.96 : x
  2. Step 2: Convert to fraction form
    4,080.96/5,631.75 = 2,217.96/x
  3. Step 3: Cross multiply
    4,080.96x = 5,631.75 × 2,217.96
  4. Step 4: Simplify right side
    4,080.96x = 12,490,996.23
  5. Step 5: Solve for x
    x = 12,490,996.23/4,080.96
  6. Step 6: Final answer
    x = 3,060.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.