Home / 2,001.09-3,003.11-961.70

Finding the Fourth Proportional to 2,001.09, 3,003.11 and 961.70

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Solution

The fourth proportional to 2,001.09, 3,003.11 and 961.70 is: 1,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.09 : 3,003.11 = 961.70 : x
  2. Step 2: Convert to fraction form
    2,001.09/3,003.11 = 961.70/x
  3. Step 3: Cross multiply
    2,001.09x = 3,003.11 × 961.70
  4. Step 4: Simplify right side
    2,001.09x = 2,888,078.28
  5. Step 5: Solve for x
    x = 2,888,078.28/2,001.09
  6. Step 6: Final answer
    x = 1,443.25

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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.