Home / 3,223.56-4,448.45-1,879.42

Finding the Fourth Proportional to 3,223.56, 4,448.45 and 1,879.42

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Solution

The fourth proportional to 3,223.56, 4,448.45 and 1,879.42 is: 2,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.56 : 4,448.45 = 1,879.42 : x
  2. Step 2: Convert to fraction form
    3,223.56/4,448.45 = 1,879.42/x
  3. Step 3: Cross multiply
    3,223.56x = 4,448.45 × 1,879.42
  4. Step 4: Simplify right side
    3,223.56x = 8,360,505.90
  5. Step 5: Solve for x
    x = 8,360,505.90/3,223.56
  6. Step 6: Final answer
    x = 2,593.56

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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.