Home / 4,186.90-5,775.45-2,694.34

Finding the Fourth Proportional to 4,186.90, 5,775.45 and 2,694.34

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Solution

The fourth proportional to 4,186.90, 5,775.45 and 2,694.34 is: 3,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.90 : 5,775.45 = 2,694.34 : x
  2. Step 2: Convert to fraction form
    4,186.90/5,775.45 = 2,694.34/x
  3. Step 3: Cross multiply
    4,186.90x = 5,775.45 × 2,694.34
  4. Step 4: Simplify right side
    4,186.90x = 15,561,025.95
  5. Step 5: Solve for x
    x = 15,561,025.95/4,186.90
  6. Step 6: Final answer
    x = 3,716.60

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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.