Home / 3,419.40-5,129.10-2,183.16

Finding the Fourth Proportional to 3,419.40, 5,129.10 and 2,183.16

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Solution

The fourth proportional to 3,419.40, 5,129.10 and 2,183.16 is: 3,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.40 : 5,129.10 = 2,183.16 : x
  2. Step 2: Convert to fraction form
    3,419.40/5,129.10 = 2,183.16/x
  3. Step 3: Cross multiply
    3,419.40x = 5,129.10 × 2,183.16
  4. Step 4: Simplify right side
    3,419.40x = 11,197,645.96
  5. Step 5: Solve for x
    x = 11,197,645.96/3,419.40
  6. Step 6: Final answer
    x = 3,274.74

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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.