Home / 3,490.73-5,236.46-1,150.05

Finding the Fourth Proportional to 3,490.73, 5,236.46 and 1,150.05

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Solution

The fourth proportional to 3,490.73, 5,236.46 and 1,150.05 is: 1,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.73 : 5,236.46 = 1,150.05 : x
  2. Step 2: Convert to fraction form
    3,490.73/5,236.46 = 1,150.05/x
  3. Step 3: Cross multiply
    3,490.73x = 5,236.46 × 1,150.05
  4. Step 4: Simplify right side
    3,490.73x = 6,022,190.82
  5. Step 5: Solve for x
    x = 6,022,190.82/3,490.73
  6. Step 6: Final answer
    x = 1,725.20

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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.