Home / 1,467.32-2,201.36-427.30

Finding the Fourth Proportional to 1,467.32, 2,201.36 and 427.30

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Solution

The fourth proportional to 1,467.32, 2,201.36 and 427.30 is: 641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.32 : 2,201.36 = 427.30 : x
  2. Step 2: Convert to fraction form
    1,467.32/2,201.36 = 427.30/x
  3. Step 3: Cross multiply
    1,467.32x = 2,201.36 × 427.30
  4. Step 4: Simplify right side
    1,467.32x = 940,643.89
  5. Step 5: Solve for x
    x = 940,643.89/1,467.32
  6. Step 6: Final answer
    x = 641.06

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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.