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Finding the Fourth Proportional to 3,556.92, 5,335.38 and 1,366.68

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Solution

The fourth proportional to 3,556.92, 5,335.38 and 1,366.68 is: 2,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.92 : 5,335.38 = 1,366.68 : x
  2. Step 2: Convert to fraction form
    3,556.92/5,335.38 = 1,366.68/x
  3. Step 3: Cross multiply
    3,556.92x = 5,335.38 × 1,366.68
  4. Step 4: Simplify right side
    3,556.92x = 7,291,757.14
  5. Step 5: Solve for x
    x = 7,291,757.14/3,556.92
  6. Step 6: Final answer
    x = 2,050.02

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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.