Home / 3,418.28-4,716.92-1,926.06

Finding the Fourth Proportional to 3,418.28, 4,716.92 and 1,926.06

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Solution

The fourth proportional to 3,418.28, 4,716.92 and 1,926.06 is: 2,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.28 : 4,716.92 = 1,926.06 : x
  2. Step 2: Convert to fraction form
    3,418.28/4,716.92 = 1,926.06/x
  3. Step 3: Cross multiply
    3,418.28x = 4,716.92 × 1,926.06
  4. Step 4: Simplify right side
    3,418.28x = 9,085,061.30
  5. Step 5: Solve for x
    x = 9,085,061.30/3,418.28
  6. Step 6: Final answer
    x = 2,657.79

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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.