Home / 1,927.11-2,891.41-1,002.09

Finding the Fourth Proportional to 1,927.11, 2,891.41 and 1,002.09

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Solution

The fourth proportional to 1,927.11, 2,891.41 and 1,002.09 is: 1,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.11 : 2,891.41 = 1,002.09 : x
  2. Step 2: Convert to fraction form
    1,927.11/2,891.41 = 1,002.09/x
  3. Step 3: Cross multiply
    1,927.11x = 2,891.41 × 1,002.09
  4. Step 4: Simplify right side
    1,927.11x = 2,897,453.05
  5. Step 5: Solve for x
    x = 2,897,453.05/1,927.11
  6. Step 6: Final answer
    x = 1,503.52

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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.