Home / 1,228.96-1,834.94-1,055.38

Finding the Fourth Proportional to 1,228.96, 1,834.94 and 1,055.38

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Solution

The fourth proportional to 1,228.96, 1,834.94 and 1,055.38 is: 1,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.96 : 1,834.94 = 1,055.38 : x
  2. Step 2: Convert to fraction form
    1,228.96/1,834.94 = 1,055.38/x
  3. Step 3: Cross multiply
    1,228.96x = 1,834.94 × 1,055.38
  4. Step 4: Simplify right side
    1,228.96x = 1,936,558.98
  5. Step 5: Solve for x
    x = 1,936,558.98/1,228.96
  6. Step 6: Final answer
    x = 1,575.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.