Home / 4,161.92-5,745.26-2,904.80

Finding the Fourth Proportional to 4,161.92, 5,745.26 and 2,904.80

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Solution

The fourth proportional to 4,161.92, 5,745.26 and 2,904.80 is: 4,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.92 : 5,745.26 = 2,904.80 : x
  2. Step 2: Convert to fraction form
    4,161.92/5,745.26 = 2,904.80/x
  3. Step 3: Cross multiply
    4,161.92x = 5,745.26 × 2,904.80
  4. Step 4: Simplify right side
    4,161.92x = 16,688,809.78
  5. Step 5: Solve for x
    x = 16,688,809.78/4,161.92
  6. Step 6: Final answer
    x = 4,009.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.