Home / 1,836.90-2,536.97-1,246.41

Finding the Fourth Proportional to 1,836.90, 2,536.97 and 1,246.41

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Solution

The fourth proportional to 1,836.90, 2,536.97 and 1,246.41 is: 1,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.90 : 2,536.97 = 1,246.41 : x
  2. Step 2: Convert to fraction form
    1,836.90/2,536.97 = 1,246.41/x
  3. Step 3: Cross multiply
    1,836.90x = 2,536.97 × 1,246.41
  4. Step 4: Simplify right side
    1,836.90x = 3,162,098.55
  5. Step 5: Solve for x
    x = 3,162,098.55/1,836.90
  6. Step 6: Final answer
    x = 1,721.43

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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.