Home / 1,468.35-2,202.12-727.65

Finding the Fourth Proportional to 1,468.35, 2,202.12 and 727.65

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Solution

The fourth proportional to 1,468.35, 2,202.12 and 727.65 is: 1,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.35 : 2,202.12 = 727.65 : x
  2. Step 2: Convert to fraction form
    1,468.35/2,202.12 = 727.65/x
  3. Step 3: Cross multiply
    1,468.35x = 2,202.12 × 727.65
  4. Step 4: Simplify right side
    1,468.35x = 1,602,372.62
  5. Step 5: Solve for x
    x = 1,602,372.62/1,468.35
  6. Step 6: Final answer
    x = 1,091.27

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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.