Home / 4,022.09-5,550.90-2,320.66

Finding the Fourth Proportional to 4,022.09, 5,550.90 and 2,320.66

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Solution

The fourth proportional to 4,022.09, 5,550.90 and 2,320.66 is: 3,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.09 : 5,550.90 = 2,320.66 : x
  2. Step 2: Convert to fraction form
    4,022.09/5,550.90 = 2,320.66/x
  3. Step 3: Cross multiply
    4,022.09x = 5,550.90 × 2,320.66
  4. Step 4: Simplify right side
    4,022.09x = 12,881,739.99
  5. Step 5: Solve for x
    x = 12,881,739.99/4,022.09
  6. Step 6: Final answer
    x = 3,202.75

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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.