Home / 3,636.85-5,456.53-1,556.77

Finding the Fourth Proportional to 3,636.85, 5,456.53 and 1,556.77

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Solution

The fourth proportional to 3,636.85, 5,456.53 and 1,556.77 is: 2,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.85 : 5,456.53 = 1,556.77 : x
  2. Step 2: Convert to fraction form
    3,636.85/5,456.53 = 1,556.77/x
  3. Step 3: Cross multiply
    3,636.85x = 5,456.53 × 1,556.77
  4. Step 4: Simplify right side
    3,636.85x = 8,494,562.21
  5. Step 5: Solve for x
    x = 8,494,562.21/3,636.85
  6. Step 6: Final answer
    x = 2,335.69

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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.