Home / 3,983.04-5,496.24-2,190.22

Finding the Fourth Proportional to 3,983.04, 5,496.24 and 2,190.22

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Solution

The fourth proportional to 3,983.04, 5,496.24 and 2,190.22 is: 3,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.04 : 5,496.24 = 2,190.22 : x
  2. Step 2: Convert to fraction form
    3,983.04/5,496.24 = 2,190.22/x
  3. Step 3: Cross multiply
    3,983.04x = 5,496.24 × 2,190.22
  4. Step 4: Simplify right side
    3,983.04x = 12,037,974.77
  5. Step 5: Solve for x
    x = 12,037,974.77/3,983.04
  6. Step 6: Final answer
    x = 3,022.31

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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.