Home / 3,503.45-5,257.91-1,861.38

Finding the Fourth Proportional to 3,503.45, 5,257.91 and 1,861.38

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Solution

The fourth proportional to 3,503.45, 5,257.91 and 1,861.38 is: 2,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.45 : 5,257.91 = 1,861.38 : x
  2. Step 2: Convert to fraction form
    3,503.45/5,257.91 = 1,861.38/x
  3. Step 3: Cross multiply
    3,503.45x = 5,257.91 × 1,861.38
  4. Step 4: Simplify right side
    3,503.45x = 9,786,973.17
  5. Step 5: Solve for x
    x = 9,786,973.17/3,503.45
  6. Step 6: Final answer
    x = 2,793.52

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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.