Home / 1,937.11-2,905.47-550.43

Finding the Fourth Proportional to 1,937.11, 2,905.47 and 550.43

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Solution

The fourth proportional to 1,937.11, 2,905.47 and 550.43 is: 825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.11 : 2,905.47 = 550.43 : x
  2. Step 2: Convert to fraction form
    1,937.11/2,905.47 = 550.43/x
  3. Step 3: Cross multiply
    1,937.11x = 2,905.47 × 550.43
  4. Step 4: Simplify right side
    1,937.11x = 1,599,257.85
  5. Step 5: Solve for x
    x = 1,599,257.85/1,937.11
  6. Step 6: Final answer
    x = 825.59

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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.