Home / 3,539.76-5,311.44-1,894.56

Finding the Fourth Proportional to 3,539.76, 5,311.44 and 1,894.56

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Solution

The fourth proportional to 3,539.76, 5,311.44 and 1,894.56 is: 2,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.76 : 5,311.44 = 1,894.56 : x
  2. Step 2: Convert to fraction form
    3,539.76/5,311.44 = 1,894.56/x
  3. Step 3: Cross multiply
    3,539.76x = 5,311.44 × 1,894.56
  4. Step 4: Simplify right side
    3,539.76x = 10,062,841.77
  5. Step 5: Solve for x
    x = 10,062,841.77/3,539.76
  6. Step 6: Final answer
    x = 2,842.80

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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.