Home / 1,467.39-2,201.61-905.16

Finding the Fourth Proportional to 1,467.39, 2,201.61 and 905.16

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Solution

The fourth proportional to 1,467.39, 2,201.61 and 905.16 is: 1,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.39 : 2,201.61 = 905.16 : x
  2. Step 2: Convert to fraction form
    1,467.39/2,201.61 = 905.16/x
  3. Step 3: Cross multiply
    1,467.39x = 2,201.61 × 905.16
  4. Step 4: Simplify right side
    1,467.39x = 1,992,809.31
  5. Step 5: Solve for x
    x = 1,992,809.31/1,467.39
  6. Step 6: Final answer
    x = 1,358.06

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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.