Home / 3,581.23-4,942.20-2,089.21

Finding the Fourth Proportional to 3,581.23, 4,942.20 and 2,089.21

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Solution

The fourth proportional to 3,581.23, 4,942.20 and 2,089.21 is: 2,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.23 : 4,942.20 = 2,089.21 : x
  2. Step 2: Convert to fraction form
    3,581.23/4,942.20 = 2,089.21/x
  3. Step 3: Cross multiply
    3,581.23x = 4,942.20 × 2,089.21
  4. Step 4: Simplify right side
    3,581.23x = 10,325,293.66
  5. Step 5: Solve for x
    x = 10,325,293.66/3,581.23
  6. Step 6: Final answer
    x = 2,883.17

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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.