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Finding the Fourth Proportional to 3,636.74, 5,456.10 and 1,556.84

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Solution

The fourth proportional to 3,636.74, 5,456.10 and 1,556.84 is: 2,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.74 : 5,456.10 = 1,556.84 : x
  2. Step 2: Convert to fraction form
    3,636.74/5,456.10 = 1,556.84/x
  3. Step 3: Cross multiply
    3,636.74x = 5,456.10 × 1,556.84
  4. Step 4: Simplify right side
    3,636.74x = 8,494,274.72
  5. Step 5: Solve for x
    x = 8,494,274.72/3,636.74
  6. Step 6: Final answer
    x = 2,335.68

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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.