Home / 3,380.53-4,665.32-1,983.28

Finding the Fourth Proportional to 3,380.53, 4,665.32 and 1,983.28

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Solution

The fourth proportional to 3,380.53, 4,665.32 and 1,983.28 is: 2,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.53 : 4,665.32 = 1,983.28 : x
  2. Step 2: Convert to fraction form
    3,380.53/4,665.32 = 1,983.28/x
  3. Step 3: Cross multiply
    3,380.53x = 4,665.32 × 1,983.28
  4. Step 4: Simplify right side
    3,380.53x = 9,252,635.85
  5. Step 5: Solve for x
    x = 9,252,635.85/3,380.53
  6. Step 6: Final answer
    x = 2,737.04

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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.