Home / 3,505.84-5,260.30-1,861.98

Finding the Fourth Proportional to 3,505.84, 5,260.30 and 1,861.98

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Solution

The fourth proportional to 3,505.84, 5,260.30 and 1,861.98 is: 2,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.84 : 5,260.30 = 1,861.98 : x
  2. Step 2: Convert to fraction form
    3,505.84/5,260.30 = 1,861.98/x
  3. Step 3: Cross multiply
    3,505.84x = 5,260.30 × 1,861.98
  4. Step 4: Simplify right side
    3,505.84x = 9,794,573.39
  5. Step 5: Solve for x
    x = 9,794,573.39/3,505.84
  6. Step 6: Final answer
    x = 2,793.79

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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.