Home / 1,474.28-2,212.30-550.48

Finding the Fourth Proportional to 1,474.28, 2,212.30 and 550.48

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Solution

The fourth proportional to 1,474.28, 2,212.30 and 550.48 is: 826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.28 : 2,212.30 = 550.48 : x
  2. Step 2: Convert to fraction form
    1,474.28/2,212.30 = 550.48/x
  3. Step 3: Cross multiply
    1,474.28x = 2,212.30 × 550.48
  4. Step 4: Simplify right side
    1,474.28x = 1,217,834.19
  5. Step 5: Solve for x
    x = 1,217,834.19/1,474.28
  6. Step 6: Final answer
    x = 826.06

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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.