Home / 3,983.68-5,498.31-2,727.28

Finding the Fourth Proportional to 3,983.68, 5,498.31 and 2,727.28

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Solution

The fourth proportional to 3,983.68, 5,498.31 and 2,727.28 is: 3,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.68 : 5,498.31 = 2,727.28 : x
  2. Step 2: Convert to fraction form
    3,983.68/5,498.31 = 2,727.28/x
  3. Step 3: Cross multiply
    3,983.68x = 5,498.31 × 2,727.28
  4. Step 4: Simplify right side
    3,983.68x = 14,995,430.90
  5. Step 5: Solve for x
    x = 14,995,430.90/3,983.68
  6. Step 6: Final answer
    x = 3,764.22

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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.