Home / 4,179.12-5,767.09-2,290.87

Finding the Fourth Proportional to 4,179.12, 5,767.09 and 2,290.87

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Solution

The fourth proportional to 4,179.12, 5,767.09 and 2,290.87 is: 3,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.12 : 5,767.09 = 2,290.87 : x
  2. Step 2: Convert to fraction form
    4,179.12/5,767.09 = 2,290.87/x
  3. Step 3: Cross multiply
    4,179.12x = 5,767.09 × 2,290.87
  4. Step 4: Simplify right side
    4,179.12x = 13,211,653.47
  5. Step 5: Solve for x
    x = 13,211,653.47/4,179.12
  6. Step 6: Final answer
    x = 3,161.35

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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.