Home / 1,842.72-2,764.59-544.20

Finding the Fourth Proportional to 1,842.72, 2,764.59 and 544.20

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Solution

The fourth proportional to 1,842.72, 2,764.59 and 544.20 is: 816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.72 : 2,764.59 = 544.20 : x
  2. Step 2: Convert to fraction form
    1,842.72/2,764.59 = 544.20/x
  3. Step 3: Cross multiply
    1,842.72x = 2,764.59 × 544.20
  4. Step 4: Simplify right side
    1,842.72x = 1,504,489.88
  5. Step 5: Solve for x
    x = 1,504,489.88/1,842.72
  6. Step 6: Final answer
    x = 816.45

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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.