Home / 2,003.08-3,001.98-1,220.68

Finding the Fourth Proportional to 2,003.08, 3,001.98 and 1,220.68

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Solution

The fourth proportional to 2,003.08, 3,001.98 and 1,220.68 is: 1,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.08 : 3,001.98 = 1,220.68 : x
  2. Step 2: Convert to fraction form
    2,003.08/3,001.98 = 1,220.68/x
  3. Step 3: Cross multiply
    2,003.08x = 3,001.98 × 1,220.68
  4. Step 4: Simplify right side
    2,003.08x = 3,664,456.95
  5. Step 5: Solve for x
    x = 3,664,456.95/2,003.08
  6. Step 6: Final answer
    x = 1,829.41

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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.