Home / 2,001.67-3,002.81-961.63

Finding the Fourth Proportional to 2,001.67, 3,002.81 and 961.63

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Solution

The fourth proportional to 2,001.67, 3,002.81 and 961.63 is: 1,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.67 : 3,002.81 = 961.63 : x
  2. Step 2: Convert to fraction form
    2,001.67/3,002.81 = 961.63/x
  3. Step 3: Cross multiply
    2,001.67x = 3,002.81 × 961.63
  4. Step 4: Simplify right side
    2,001.67x = 2,887,579.87
  5. Step 5: Solve for x
    x = 2,887,579.87/2,001.67
  6. Step 6: Final answer
    x = 1,442.59

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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.