Home / 1,267.56-1,899.75-1,196.58

Finding the Fourth Proportional to 1,267.56, 1,899.75 and 1,196.58

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Solution

The fourth proportional to 1,267.56, 1,899.75 and 1,196.58 is: 1,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.56 : 1,899.75 = 1,196.58 : x
  2. Step 2: Convert to fraction form
    1,267.56/1,899.75 = 1,196.58/x
  3. Step 3: Cross multiply
    1,267.56x = 1,899.75 × 1,196.58
  4. Step 4: Simplify right side
    1,267.56x = 2,273,202.86
  5. Step 5: Solve for x
    x = 2,273,202.86/1,267.56
  6. Step 6: Final answer
    x = 1,793.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.