Home / 1,467.52-2,200.93-427.29

Finding the Fourth Proportional to 1,467.52, 2,200.93 and 427.29

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Solution

The fourth proportional to 1,467.52, 2,200.93 and 427.29 is: 640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.52 : 2,200.93 = 427.29 : x
  2. Step 2: Convert to fraction form
    1,467.52/2,200.93 = 427.29/x
  3. Step 3: Cross multiply
    1,467.52x = 2,200.93 × 427.29
  4. Step 4: Simplify right side
    1,467.52x = 940,435.38
  5. Step 5: Solve for x
    x = 940,435.38/1,467.52
  6. Step 6: Final answer
    x = 640.83

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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.