Home / 3,454.28-5,183.58-1,812.14

Finding the Fourth Proportional to 3,454.28, 5,183.58 and 1,812.14

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Solution

The fourth proportional to 3,454.28, 5,183.58 and 1,812.14 is: 2,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.28 : 5,183.58 = 1,812.14 : x
  2. Step 2: Convert to fraction form
    3,454.28/5,183.58 = 1,812.14/x
  3. Step 3: Cross multiply
    3,454.28x = 5,183.58 × 1,812.14
  4. Step 4: Simplify right side
    3,454.28x = 9,393,372.66
  5. Step 5: Solve for x
    x = 9,393,372.66/3,454.28
  6. Step 6: Final answer
    x = 2,719.34

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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.