Home / 1,729.36-2,388.48-1,464.58

Finding the Fourth Proportional to 1,729.36, 2,388.48 and 1,464.58

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Solution

The fourth proportional to 1,729.36, 2,388.48 and 1,464.58 is: 2,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.36 : 2,388.48 = 1,464.58 : x
  2. Step 2: Convert to fraction form
    1,729.36/2,388.48 = 1,464.58/x
  3. Step 3: Cross multiply
    1,729.36x = 2,388.48 × 1,464.58
  4. Step 4: Simplify right side
    1,729.36x = 3,498,120.04
  5. Step 5: Solve for x
    x = 3,498,120.04/1,729.36
  6. Step 6: Final answer
    x = 2,022.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.