Home / 4,183.23-5,772.22-2,390.40

Finding the Fourth Proportional to 4,183.23, 5,772.22 and 2,390.40

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Solution

The fourth proportional to 4,183.23, 5,772.22 and 2,390.40 is: 3,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.23 : 5,772.22 = 2,390.40 : x
  2. Step 2: Convert to fraction form
    4,183.23/5,772.22 = 2,390.40/x
  3. Step 3: Cross multiply
    4,183.23x = 5,772.22 × 2,390.40
  4. Step 4: Simplify right side
    4,183.23x = 13,797,914.69
  5. Step 5: Solve for x
    x = 13,797,914.69/4,183.23
  6. Step 6: Final answer
    x = 3,298.39

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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.