Home / 3,505.36-5,252.60-1,861.48

Finding the Fourth Proportional to 3,505.36, 5,252.60 and 1,861.48

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Solution

The fourth proportional to 3,505.36, 5,252.60 and 1,861.48 is: 2,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.36 : 5,252.60 = 1,861.48 : x
  2. Step 2: Convert to fraction form
    3,505.36/5,252.60 = 1,861.48/x
  3. Step 3: Cross multiply
    3,505.36x = 5,252.60 × 1,861.48
  4. Step 4: Simplify right side
    3,505.36x = 9,777,609.85
  5. Step 5: Solve for x
    x = 9,777,609.85/3,505.36
  6. Step 6: Final answer
    x = 2,789.33

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1.5x scale

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.