Home / 2,003.22-3,005.10-1,222.92

Finding the Fourth Proportional to 2,003.22, 3,005.10 and 1,222.92

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Solution

The fourth proportional to 2,003.22, 3,005.10 and 1,222.92 is: 1,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.22 : 3,005.10 = 1,222.92 : x
  2. Step 2: Convert to fraction form
    2,003.22/3,005.10 = 1,222.92/x
  3. Step 3: Cross multiply
    2,003.22x = 3,005.10 × 1,222.92
  4. Step 4: Simplify right side
    2,003.22x = 3,674,996.89
  5. Step 5: Solve for x
    x = 3,674,996.89/2,003.22
  6. Step 6: Final answer
    x = 1,834.54

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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.