Home / 3,983.93-5,497.82-2,215.53

Finding the Fourth Proportional to 3,983.93, 5,497.82 and 2,215.53

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Solution

The fourth proportional to 3,983.93, 5,497.82 and 2,215.53 is: 3,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.93 : 5,497.82 = 2,215.53 : x
  2. Step 2: Convert to fraction form
    3,983.93/5,497.82 = 2,215.53/x
  3. Step 3: Cross multiply
    3,983.93x = 5,497.82 × 2,215.53
  4. Step 4: Simplify right side
    3,983.93x = 12,180,585.14
  5. Step 5: Solve for x
    x = 12,180,585.14/3,983.93
  6. Step 6: Final answer
    x = 3,057.43

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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.