Home / 4,021.76-5,550.20-2,342.90

Finding the Fourth Proportional to 4,021.76, 5,550.20 and 2,342.90

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Solution

The fourth proportional to 4,021.76, 5,550.20 and 2,342.90 is: 3,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.76 : 5,550.20 = 2,342.90 : x
  2. Step 2: Convert to fraction form
    4,021.76/5,550.20 = 2,342.90/x
  3. Step 3: Cross multiply
    4,021.76x = 5,550.20 × 2,342.90
  4. Step 4: Simplify right side
    4,021.76x = 13,003,552.33
  5. Step 5: Solve for x
    x = 13,003,552.33/4,021.76
  6. Step 6: Final answer
    x = 3,233.30

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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.