Home / 3,242.05-4,472.31-1,983.73

Finding the Fourth Proportional to 3,242.05, 4,472.31 and 1,983.73

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Solution

The fourth proportional to 3,242.05, 4,472.31 and 1,983.73 is: 2,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.05 : 4,472.31 = 1,983.73 : x
  2. Step 2: Convert to fraction form
    3,242.05/4,472.31 = 1,983.73/x
  3. Step 3: Cross multiply
    3,242.05x = 4,472.31 × 1,983.73
  4. Step 4: Simplify right side
    3,242.05x = 8,871,855.52
  5. Step 5: Solve for x
    x = 8,871,855.52/3,242.05
  6. Step 6: Final answer
    x = 2,736.50

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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.