Home / 3,553.21-5,323.56-3,166.65

Finding the Fourth Proportional to 3,553.21, 5,323.56 and 3,166.65

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Solution

The fourth proportional to 3,553.21, 5,323.56 and 3,166.65 is: 4,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.21 : 5,323.56 = 3,166.65 : x
  2. Step 2: Convert to fraction form
    3,553.21/5,323.56 = 3,166.65/x
  3. Step 3: Cross multiply
    3,553.21x = 5,323.56 × 3,166.65
  4. Step 4: Simplify right side
    3,553.21x = 16,857,851.27
  5. Step 5: Solve for x
    x = 16,857,851.27/3,553.21
  6. Step 6: Final answer
    x = 4,744.40

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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.