Home / 4,179.08-5,765.22-2,937.80

Finding the Fourth Proportional to 4,179.08, 5,765.22 and 2,937.80

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Solution

The fourth proportional to 4,179.08, 5,765.22 and 2,937.80 is: 4,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.08 : 5,765.22 = 2,937.80 : x
  2. Step 2: Convert to fraction form
    4,179.08/5,765.22 = 2,937.80/x
  3. Step 3: Cross multiply
    4,179.08x = 5,765.22 × 2,937.80
  4. Step 4: Simplify right side
    4,179.08x = 16,937,063.32
  5. Step 5: Solve for x
    x = 16,937,063.32/4,179.08
  6. Step 6: Final answer
    x = 4,052.82

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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.