Home / 4,127.29-5,694.64-2,334.78

Finding the Fourth Proportional to 4,127.29, 5,694.64 and 2,334.78

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Solution

The fourth proportional to 4,127.29, 5,694.64 and 2,334.78 is: 3,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.29 : 5,694.64 = 2,334.78 : x
  2. Step 2: Convert to fraction form
    4,127.29/5,694.64 = 2,334.78/x
  3. Step 3: Cross multiply
    4,127.29x = 5,694.64 × 2,334.78
  4. Step 4: Simplify right side
    4,127.29x = 13,295,725.74
  5. Step 5: Solve for x
    x = 13,295,725.74/4,127.29
  6. Step 6: Final answer
    x = 3,221.42

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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.