Home / 1,080.18-1,619.24-349.27

Finding the Fourth Proportional to 1,080.18, 1,619.24 and 349.27

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Solution

The fourth proportional to 1,080.18, 1,619.24 and 349.27 is: 523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.18 : 1,619.24 = 349.27 : x
  2. Step 2: Convert to fraction form
    1,080.18/1,619.24 = 349.27/x
  3. Step 3: Cross multiply
    1,080.18x = 1,619.24 × 349.27
  4. Step 4: Simplify right side
    1,080.18x = 565,551.95
  5. Step 5: Solve for x
    x = 565,551.95/1,080.18
  6. Step 6: Final answer
    x = 523.57

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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.