Home / 3,169.92-4,776.72-3,021.60

Finding the Fourth Proportional to 3,169.92, 4,776.72 and 3,021.60

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Solution

The fourth proportional to 3,169.92, 4,776.72 and 3,021.60 is: 4,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.92 : 4,776.72 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    3,169.92/4,776.72 = 3,021.60/x
  3. Step 3: Cross multiply
    3,169.92x = 4,776.72 × 3,021.60
  4. Step 4: Simplify right side
    3,169.92x = 14,433,337.15
  5. Step 5: Solve for x
    x = 14,433,337.15/3,169.92
  6. Step 6: Final answer
    x = 4,553.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.