Home / 2,001.11-2,759.72-1,338.85

Finding the Fourth Proportional to 2,001.11, 2,759.72 and 1,338.85

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Solution

The fourth proportional to 2,001.11, 2,759.72 and 1,338.85 is: 1,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.11 : 2,759.72 = 1,338.85 : x
  2. Step 2: Convert to fraction form
    2,001.11/2,759.72 = 1,338.85/x
  3. Step 3: Cross multiply
    2,001.11x = 2,759.72 × 1,338.85
  4. Step 4: Simplify right side
    2,001.11x = 3,694,863.17
  5. Step 5: Solve for x
    x = 3,694,863.17/2,001.11
  6. Step 6: Final answer
    x = 1,846.41

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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.