Home / 3,629.20-5,441.58-1,983.46

Finding the Fourth Proportional to 3,629.20, 5,441.58 and 1,983.46

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Solution

The fourth proportional to 3,629.20, 5,441.58 and 1,983.46 is: 2,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.20 : 5,441.58 = 1,983.46 : x
  2. Step 2: Convert to fraction form
    3,629.20/5,441.58 = 1,983.46/x
  3. Step 3: Cross multiply
    3,629.20x = 5,441.58 × 1,983.46
  4. Step 4: Simplify right side
    3,629.20x = 10,793,156.27
  5. Step 5: Solve for x
    x = 10,793,156.27/3,629.20
  6. Step 6: Final answer
    x = 2,973.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.