Home / 1,349.04-2,022.48-579.12

Finding the Fourth Proportional to 1,349.04, 2,022.48 and 579.12

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Solution

The fourth proportional to 1,349.04, 2,022.48 and 579.12 is: 868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.04 : 2,022.48 = 579.12 : x
  2. Step 2: Convert to fraction form
    1,349.04/2,022.48 = 579.12/x
  3. Step 3: Cross multiply
    1,349.04x = 2,022.48 × 579.12
  4. Step 4: Simplify right side
    1,349.04x = 1,171,258.62
  5. Step 5: Solve for x
    x = 1,171,258.62/1,349.04
  6. Step 6: Final answer
    x = 868.22

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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.