Home / 3,611.57-4,983.68-2,018.21

Finding the Fourth Proportional to 3,611.57, 4,983.68 and 2,018.21

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Solution

The fourth proportional to 3,611.57, 4,983.68 and 2,018.21 is: 2,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.57 : 4,983.68 = 2,018.21 : x
  2. Step 2: Convert to fraction form
    3,611.57/4,983.68 = 2,018.21/x
  3. Step 3: Cross multiply
    3,611.57x = 4,983.68 × 2,018.21
  4. Step 4: Simplify right side
    3,611.57x = 10,058,092.94
  5. Step 5: Solve for x
    x = 10,058,092.94/3,611.57
  6. Step 6: Final answer
    x = 2,784.97

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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.