Home / 1,349.30-2,023.99-483.61

Finding the Fourth Proportional to 1,349.30, 2,023.99 and 483.61

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Solution

The fourth proportional to 1,349.30, 2,023.99 and 483.61 is: 725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.30 : 2,023.99 = 483.61 : x
  2. Step 2: Convert to fraction form
    1,349.30/2,023.99 = 483.61/x
  3. Step 3: Cross multiply
    1,349.30x = 2,023.99 × 483.61
  4. Step 4: Simplify right side
    1,349.30x = 978,817.95
  5. Step 5: Solve for x
    x = 978,817.95/1,349.30
  6. Step 6: Final answer
    x = 725.43

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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.