Home / 2,836.90-3,913.89-1,717.43

Finding the Fourth Proportional to 2,836.90, 3,913.89 and 1,717.43

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Solution

The fourth proportional to 2,836.90, 3,913.89 and 1,717.43 is: 2,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.90 : 3,913.89 = 1,717.43 : x
  2. Step 2: Convert to fraction form
    2,836.90/3,913.89 = 1,717.43/x
  3. Step 3: Cross multiply
    2,836.90x = 3,913.89 × 1,717.43
  4. Step 4: Simplify right side
    2,836.90x = 6,721,832.10
  5. Step 5: Solve for x
    x = 6,721,832.10/2,836.90
  6. Step 6: Final answer
    x = 2,369.43

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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.