Home / 3,540.58-5,306.01-1,805.56

Finding the Fourth Proportional to 3,540.58, 5,306.01 and 1,805.56

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Solution

The fourth proportional to 3,540.58, 5,306.01 and 1,805.56 is: 2,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.58 : 5,306.01 = 1,805.56 : x
  2. Step 2: Convert to fraction form
    3,540.58/5,306.01 = 1,805.56/x
  3. Step 3: Cross multiply
    3,540.58x = 5,306.01 × 1,805.56
  4. Step 4: Simplify right side
    3,540.58x = 9,580,319.42
  5. Step 5: Solve for x
    x = 9,580,319.42/3,540.58
  6. Step 6: Final answer
    x = 2,705.86

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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.