Home / 3,418.91-4,718.04-1,926.96

Finding the Fourth Proportional to 3,418.91, 4,718.04 and 1,926.96

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Solution

The fourth proportional to 3,418.91, 4,718.04 and 1,926.96 is: 2,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.91 : 4,718.04 = 1,926.96 : x
  2. Step 2: Convert to fraction form
    3,418.91/4,718.04 = 1,926.96/x
  3. Step 3: Cross multiply
    3,418.91x = 4,718.04 × 1,926.96
  4. Step 4: Simplify right side
    3,418.91x = 9,091,474.36
  5. Step 5: Solve for x
    x = 9,091,474.36/3,418.91
  6. Step 6: Final answer
    x = 2,659.17

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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.