Home / 4,179.11-5,767.15-2,290.78

Finding the Fourth Proportional to 4,179.11, 5,767.15 and 2,290.78

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Solution

The fourth proportional to 4,179.11, 5,767.15 and 2,290.78 is: 3,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.11 : 5,767.15 = 2,290.78 : x
  2. Step 2: Convert to fraction form
    4,179.11/5,767.15 = 2,290.78/x
  3. Step 3: Cross multiply
    4,179.11x = 5,767.15 × 2,290.78
  4. Step 4: Simplify right side
    4,179.11x = 13,211,262.99
  5. Step 5: Solve for x
    x = 13,211,262.99/4,179.11
  6. Step 6: Final answer
    x = 3,161.26

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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.