Home / 3,638.92-5,453.82-1,556.48

Finding the Fourth Proportional to 3,638.92, 5,453.82 and 1,556.48

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Solution

The fourth proportional to 3,638.92, 5,453.82 and 1,556.48 is: 2,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.92 : 5,453.82 = 1,556.48 : x
  2. Step 2: Convert to fraction form
    3,638.92/5,453.82 = 1,556.48/x
  3. Step 3: Cross multiply
    3,638.92x = 5,453.82 × 1,556.48
  4. Step 4: Simplify right side
    3,638.92x = 8,488,769.55
  5. Step 5: Solve for x
    x = 8,488,769.55/3,638.92
  6. Step 6: Final answer
    x = 2,332.77

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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.