Home / 2,106.48-2,906.04-1,266.96

Finding the Fourth Proportional to 2,106.48, 2,906.04 and 1,266.96

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Solution

The fourth proportional to 2,106.48, 2,906.04 and 1,266.96 is: 1,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.48 : 2,906.04 = 1,266.96 : x
  2. Step 2: Convert to fraction form
    2,106.48/2,906.04 = 1,266.96/x
  3. Step 3: Cross multiply
    2,106.48x = 2,906.04 × 1,266.96
  4. Step 4: Simplify right side
    2,106.48x = 3,681,836.44
  5. Step 5: Solve for x
    x = 3,681,836.44/2,106.48
  6. Step 6: Final answer
    x = 1,747.86

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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.