Home / 3,418.28-4,717.17-1,926.34

Finding the Fourth Proportional to 3,418.28, 4,717.17 and 1,926.34

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Solution

The fourth proportional to 3,418.28, 4,717.17 and 1,926.34 is: 2,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.28 : 4,717.17 = 1,926.34 : x
  2. Step 2: Convert to fraction form
    3,418.28/4,717.17 = 1,926.34/x
  3. Step 3: Cross multiply
    3,418.28x = 4,717.17 × 1,926.34
  4. Step 4: Simplify right side
    3,418.28x = 9,086,873.26
  5. Step 5: Solve for x
    x = 9,086,873.26/3,418.28
  6. Step 6: Final answer
    x = 2,658.32

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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.