Home / 3,418.34-4,717.31-1,926.18

Finding the Fourth Proportional to 3,418.34, 4,717.31 and 1,926.18

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Solution

The fourth proportional to 3,418.34, 4,717.31 and 1,926.18 is: 2,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.34 : 4,717.31 = 1,926.18 : x
  2. Step 2: Convert to fraction form
    3,418.34/4,717.31 = 1,926.18/x
  3. Step 3: Cross multiply
    3,418.34x = 4,717.31 × 1,926.18
  4. Step 4: Simplify right side
    3,418.34x = 9,086,378.54
  5. Step 5: Solve for x
    x = 9,086,378.54/3,418.34
  6. Step 6: Final answer
    x = 2,658.13

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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.