Home / 1,474.35-2,212.40-550.56

Finding the Fourth Proportional to 1,474.35, 2,212.40 and 550.56

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Solution

The fourth proportional to 1,474.35, 2,212.40 and 550.56 is: 826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.35 : 2,212.40 = 550.56 : x
  2. Step 2: Convert to fraction form
    1,474.35/2,212.40 = 550.56/x
  3. Step 3: Cross multiply
    1,474.35x = 2,212.40 × 550.56
  4. Step 4: Simplify right side
    1,474.35x = 1,218,058.94
  5. Step 5: Solve for x
    x = 1,218,058.94/1,474.35
  6. Step 6: Final answer
    x = 826.17

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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.